Παραπομπή APA

(1988). Transport and the environment. Paris: Organisation for Economic Cooperation and Development.

Παραπομπή Chicago Style

Transport and the Environment. Paris: Organisation for Economic Cooperation and Development, 1988.

Παραπομπή MLA

Transport and the Environment. Paris: Organisation for Economic Cooperation and Development, 1988.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.