APA (7th ed.) Zitazioa
Organisation for Economic Co-operation and Development & ProQuest (Firm). (2007). Instrument mixes for environmental policy. OECD.
Chicago Style (17th ed.) Zitazioa
Organisation for Economic Co-operation and Development eta ProQuest (Firm). Instrument Mixes for Environmental Policy. Paris: OECD, 2007.
MLA (9th ed.) Zitazioa
Organisation for Economic Co-operation and Development eta ProQuest (Firm). Instrument Mixes for Environmental Policy. OECD, 2007.
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