APA (7th ed.) Zitazioa
(2003). Environmentally harmful subsidies: Policy issues and challenges. OECD.
Chicago Style (17th ed.) Zitazioa
Environmentally Harmful Subsidies: Policy Issues and Challenges. Paris, Cedex, France: OECD, 2003.
MLA (9th ed.) Zitazioa
Environmentally Harmful Subsidies: Policy Issues and Challenges. OECD, 2003.
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