APA (7th ed.) Zitazioa
Organisation for Economic Co-operation and Development & ProQuest (Firm). (2006). Milan, Italy. OECD.
Chicago Style (17th ed.) Zitazioa
Organisation for Economic Co-operation and Development eta ProQuest (Firm). Milan, Italy. Paris: OECD, 2006.
MLA (9th ed.) Zitazioa
Organisation for Economic Co-operation and Development eta ProQuest (Firm). Milan, Italy. OECD, 2006.
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