APA (7th ed.) Zitazioa

Economic comission for Europe. (2003). Environmental policy in transition: Ten years of unece environmental performance reviews.

Chicago Style (17th ed.) Zitazioa

Economic comission for Europe. Environmental Policy in Transition: Ten Years of Unece Environmental Performance Reviews. 2003.

MLA (9th ed.) Zitazioa

Economic comission for Europe. Environmental Policy in Transition: Ten Years of Unece Environmental Performance Reviews. 2003.