Παραπομπή σε μορφή APA (7η εκδ.)

Seminar on Urban Transport and the Enviroment, 1979. (1979). Urban transport and the environment, 10-12 July 1979. Organization for Economic Co-operation and Development.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Seminar on Urban Transport and the Enviroment, 1979. Urban Transport and the Environment, 10-12 July 1979. Paris, European Conference of Ministers of Transport: Organization for Economic Co-operation and Development, 1979.

Παραπομπή σε μορφή MLA (9th εκδ.)

Seminar on Urban Transport and the Enviroment, 1979. Urban Transport and the Environment, 10-12 July 1979. Organization for Economic Co-operation and Development, 1979.