International Symposium on Theory and Practice in Transport Economics (7th : 1977 : London, England). (1978). The contribution of economic research to transport policy decisions: Introductory reports and summary of the discussion. European Conference of Ministers of Transport (ECMT).
Citação do estilo Chicago (17ª ed.)International Symposium on Theory and Practice in Transport Economics (7th : 1977 : London, England). The Contribution of Economic Research to Transport Policy Decisions: Introductory Reports and Summary of the Discussion. London: European Conference of Ministers of Transport (ECMT), 1978.
Citação MLA (9ª ed.)International Symposium on Theory and Practice in Transport Economics (7th : 1977 : London, England). The Contribution of Economic Research to Transport Policy Decisions: Introductory Reports and Summary of the Discussion. European Conference of Ministers of Transport (ECMT), 1978.