APA (7th ed.) Zitazioa
(2003). National reviews: Implementing sustainable urban travel policies. European Conference of Ministers of Transport.
Chicago Style (17th ed.) Zitazioa
National Reviews: Implementing Sustainable Urban Travel Policies. Paris, France: European Conference of Ministers of Transport, 2003.
MLA (9th ed.) Zitazioa
National Reviews: Implementing Sustainable Urban Travel Policies. European Conference of Ministers of Transport, 2003.
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