APA (7th ed.) Zitazioa
Organisation for Economic Co-operation and Development. (1999). Environmental performance reviews. OECD.
Chicago Style (17th ed.) Zitazioa
Organisation for Economic Co-operation and Development. Environmental Performance Reviews. Paris: OECD, 1999.
MLA (9th ed.) Zitazioa
Organisation for Economic Co-operation and Development. Environmental Performance Reviews. OECD, 1999.
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