APA
European Conference of Ministers of Transport, . (1978). Theory and practice in transport economics. 7th international symposium, London, 26th-29th September 1977. Introductory reports and summary of the discusson. The contribution of economic research to transport policy decisions. Paris: European Conference of Ministers of Transport.
Chicago
European Conference of Ministers of Transport, . 1978. Theory and practice in transport economics. 7th international symposium, London, 26th-29th September 1977. Introductory reports and summary of the discusson. The contribution of economic research to transport policy decisions. Paris: European Conference of Ministers of Transport.
Harvard
European Conference of Ministers of Transport, . (1978). Theory and practice in transport economics. 7th international symposium, London, 26th-29th September 1977. Introductory reports and summary of the discusson. The contribution of economic research to transport policy decisions. Paris: European Conference of Ministers of Transport.
MLA
European Conference of Ministers of Transport, . Theory and practice in transport economics. 7th international symposium, London, 26th-29th September 1977. Introductory reports and summary of the discusson. The contribution of economic research to transport policy decisions. Paris: European Conference of Ministers of Transport. 1978.