APA (7th ed.) Zitazioa
Organisation for Economic Co-operation and Development & ProQuest (Firm). (2005). Environmental requirements and market access. OECD.
Chicago Style (17th ed.) Zitazioa
Organisation for Economic Co-operation and Development eta ProQuest (Firm). Environmental Requirements and Market Access. Paris: OECD, 2005.
MLA (9th ed.) Zitazioa
Organisation for Economic Co-operation and Development eta ProQuest (Firm). Environmental Requirements and Market Access. OECD, 2005.
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