European Conference of Ministers of Transport, ProQuest (Firm), & International Symposium on Theory and Practice in Transport Economics. (2005). 50 years of transport research: Experience gained and major challenges ahead : 16th International Symposium on Theory and Practice in Transport Economics : Budapest, 29-31 October 2003 : introductory reports and summary of discussions. European Conference of Ministers of Transport.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)European Conference of Ministers of Transport, ProQuest (Firm), và International Symposium on Theory and Practice in Transport Economics. 50 Years of Transport Research: Experience Gained and Major Challenges Ahead : 16th International Symposium on Theory and Practice in Transport Economics : Budapest, 29-31 October 2003 : Introductory Reports and Summary of Discussions. Paris: European Conference of Ministers of Transport, 2005.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)European Conference of Ministers of Transport, et al. 50 Years of Transport Research: Experience Gained and Major Challenges Ahead : 16th International Symposium on Theory and Practice in Transport Economics : Budapest, 29-31 October 2003 : Introductory Reports and Summary of Discussions. European Conference of Ministers of Transport, 2005.