European Conference of Ministers of Transport. (1975). Economic Criteria for the Maintenance, Modification or Creation of Public Urban and Suburban Transport Services (Which May not Necessarily Be Profitable): Report of the Twenty-Fourth Round Table on Transport Economics Held in Paris on 22nd and 23rd November, 1973. OECD Publishing.
Cita Chicago Style (17a ed.)European Conference of Ministers of Transport. Economic Criteria for the Maintenance, Modification or Creation of Public Urban and Suburban Transport Services (Which May Not Necessarily Be Profitable): Report of the Twenty-Fourth Round Table on Transport Economics Held in Paris on 22nd and 23rd November, 1973. Paris: OECD Publishing, 1975.
Cita MLA (9a ed.)European Conference of Ministers of Transport. Economic Criteria for the Maintenance, Modification or Creation of Public Urban and Suburban Transport Services (Which May Not Necessarily Be Profitable): Report of the Twenty-Fourth Round Table on Transport Economics Held in Paris on 22nd and 23rd November, 1973. OECD Publishing, 1975.
