World Conference on Transport Research Yokohama, Japan. (1989). Transport policy, management & technology towards 2001: Selected proceedings of the Fifth World Conference on Transport Research. Western Periodicals.
Παραπομπή σε μορφή Chicago (17η εκδ.)World Conference on Transport Research Yokohama, Japan. Transport Policy, Management & Technology Towards 2001: Selected Proceedings of the Fifth World Conference on Transport Research. Ventura, Calif.: Western Periodicals, 1989.
Παραπομπή σε μορφή MLA (8th εκδ.)World Conference on Transport Research Yokohama, Japan. Transport Policy, Management & Technology Towards 2001: Selected Proceedings of the Fifth World Conference on Transport Research. Western Periodicals, 1989.
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