APA (7th ed.) Zitazioa

Organisation for Economic Co-operation and Development & ProQuest (Firm). (2007). Examens environnementaux de l'OCDE. OCDE-Organisation de cooperation et de developpement economiques.

Chicago Style (17th ed.) Zitazioa

Organisation for Economic Co-operation and Development eta ProQuest (Firm). Examens Environnementaux De L'OCDE. Paris: OCDE-Organisation de cooperation et de developpement economiques, 2007.

MLA (9th ed.) Zitazioa

Organisation for Economic Co-operation and Development eta ProQuest (Firm). Examens Environnementaux De L'OCDE. OCDE-Organisation de cooperation et de developpement economiques, 2007.