Organisation for Economic Co-operation and Development & ProQuest (Firm). (2005). Environment at a glance: OECD environmental indicators, 2005. OECD.
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Chicago Style (17th ed.) Zitazioa
Organisation for Economic Co-operation and Development eta ProQuest (Firm). Environment at a Glance: OECD Environmental Indicators, 2005. Paris: OECD, 2005.
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MLA (9th ed.) Zitazioa
Organisation for Economic Co-operation and Development eta ProQuest (Firm). Environment at a Glance: OECD Environmental Indicators, 2005. OECD, 2005.
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