-Estache, A., Gómez-Lobo, A., (2005), “Limits to competition in urban bus services in developing countries”, Transport Reviews: A Transnational Transdisciplinary Journal, Vol. 25, No. 2.
-Farneti, F., Padovani, E., Young, D. W., (2010), “Governanace of outsourcing and contractual relationships”, In: Osborne, S., P., The New Public Governace? Routledge, New York, pp. 255-270.
-Gereffi, G., Humphrey, J., Sturgeon, T., (2005), “The governance of global value chains”, Review of International Political Economy, Vol. 12, No. 1, pp. 78-104.
-Inno-V, KCW, RebelGroup, NEA, TØI, SDG and TIS (2008), “Contracting in urban public transport”, European Commission – DG TREN, Brussels.
-IAOP (International Association of Outsourcing Professionals) (2010), “Outsourcing Professional Body of Knowledge”, Van Haren Publishing.
-Meligrana, J. F., (1999), “Toward Regional Transportation Governance: A case study of Greater Vancouver”, Transportation 26,
pp.359-380.
-Nakajima, T., (2007), “Privatization of Transit in Yokohama: Social and Financial Impacts”, MSc. Massachusetts Institute of Technology (MIT).
-O'Conner, R., (1991), “Going Private”, Mass Transit, Vol. XVIII.
-Sørensen, C.H., Gudmundsson, H., (2010), “The impact of governance modes on sustainable transport: the case of bus transport in Greater Manchester”, World Review of Intermodal Transportation Research, Vol. 3, No. ½, pp. 8-25.
-Stanford, L., (1992), “Competitive Tendering and Bus Services in Adelaide”, Government of South Australia.
-Tamaru, D., (2009), “Assessment of the public transportation policy in Adelaide, SA: especially the competitive tendering of bus services”, Japanese Institutional Repositories Online.
-van de Velde, D. M., Lutje Schipholt, L., Veeneman, W., (2005), “The Evolution of tactical Tendering in The Netherlands”, 9th Conference on Competition and Ownership in Land Passenger Transport, Lisbon (Portugal), 4-9 September 2005.
-Van de Velde, D.M. (1999), “Organisational forms and entrepreneurship in public transport: part 1: classifying organisational forms”, Transport Policy, Vol. 6, pp. 147–157.
-van de Velde, D.M., Beck, A., Van Elburg, J. C., Terschüren, K. H. (2008), “Contracting in urban public transport”, European Commission, Brussel.
-Williamson, O. E., (1975), “Markets and hierarchies: Analysis and antitrust implications”, New York: Free Press.
Estache, A., Gómez-Lobo, A., (2005), “Limits to competition in urban bus services in developing countries”, Transport Reviews: A Transnational Transdisciplinary Journal, Vol. 25, No. 2.
-Farneti, F., Padovani, E., Young, D. W., (2010), “Governanace of outsourcing and contractual relationships”, In: Osborne, S., P., The New Public Governace? Routledge, New York, pp. 255-270.
-Gereffi, G., Humphrey, J., Sturgeon, T., (2005), “The governance of global value chains”, Review of International Political Economy, Vol. 12, No. 1, pp. 78-104.
-Inno-V, KCW, RebelGroup, NEA, TØI, SDG and TIS (2008), “Contracting in urban public transport”, European Commission – DG TREN, Brussels.
-IAOP (International Association of Outsourcing Professionals) (2010), “Outsourcing Professional Body of Knowledge”, Van Haren Publishing.
-Meligrana, J. F., (1999), “Toward Regional Transportation Governance: A case study of Greater Vancouver”, Transportation 26,
pp.359-380.
-Nakajima, T., (2007), “Privatization of Transit in Yokohama: Social and Financial Impacts”, MSc. Massachusetts Institute of Technology (MIT).
-O'Conner, R., (1991), “Going Private”, Mass Transit, Vol. XVIII.
-Sørensen, C.H., Gudmundsson, H., (2010), “The impact of governance modes on sustainable transport: the case of bus transport in Greater Manchester”, World Review of Intermodal Transportation Research, Vol. 3, No. ½, pp. 8-25.
-Stanford, L., (1992), “Competitive Tendering and Bus Services in Adelaide”, Government of South Australia.
-Tamaru, D., (2009), “Assessment of the public transportation policy in Adelaide, SA: especially the competitive tendering of bus services”, Japanese Institutional Repositories Online.
-van de Velde, D. M., Lutje Schipholt, L., Veeneman, W., (2005), “The Evolution of tactical Tendering in The Netherlands”, 9th Conference on Competition and Ownership in Land Passenger Transport, Lisbon (Portugal), 4-9 September 2005.
-Van de Velde, D.M. (1999), “Organisational forms and entrepreneurship in public transport: part 1: classifying organisational forms”, Transport Policy, Vol. 6, pp. 147–157.
-van de Velde, D.M., Beck, A., Van Elburg, J. C., Terschüren, K. H. (2008), “Contracting in urban public transport”, European Commission, Brussel.
-Williamson, O. E., (1975), “Markets and hierarchies: Analysis and antitrust implications”, New York: Free Press.