Organisation for Economic Co-operation and Development & ProQuest (Firm). (2007). Policies for a better environment: Progress in Eastern Europe, Caucasus and Central Asia. OECD.
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Chicago Style (17th ed.) Zitazioa
Organisation for Economic Co-operation and Development eta ProQuest (Firm). Policies for a Better Environment: Progress in Eastern Europe, Caucasus and Central Asia. Paris: OECD, 2007.
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MLA (9th ed.) Zitazioa
Organisation for Economic Co-operation and Development eta ProQuest (Firm). Policies for a Better Environment: Progress in Eastern Europe, Caucasus and Central Asia. OECD, 2007.
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