Organisation for Economic Co-operation and Development. (2000). Which changes for transport in the next century ?: Introductory reports and summary of discussions : 14th International Symposium on Theory and Practice in Transport Economics, Innsbruck, 21-23 October 1997. Organisation for Economic Co-operation and Development.
Παραπομπή σε μορφή Chicago (17η εκδ.)Organisation for Economic Co-operation and Development. Which Changes for Transport in the Next Century ?: Introductory Reports and Summary of Discussions : 14th International Symposium on Theory and Practice in Transport Economics, Innsbruck, 21-23 October 1997. Paris, France: Organisation for Economic Co-operation and Development, 2000.
Παραπομπή σε μορφή MLA (9th εκδ.)Organisation for Economic Co-operation and Development. Which Changes for Transport in the Next Century ?: Introductory Reports and Summary of Discussions : 14th International Symposium on Theory and Practice in Transport Economics, Innsbruck, 21-23 October 1997. Organisation for Economic Co-operation and Development, 2000.