APA (7th ed.) Zitazioa
Organisation for Economic Co-operation and Development & ProQuest (Firm). (2013). PISA 2012 assessment and analytical framework. OECD.
Chicago Style (17th ed.) Zitazioa
Organisation for Economic Co-operation and Development eta ProQuest (Firm). PISA 2012 Assessment and Analytical Framework. Paris: OECD, 2013.
MLA (9th ed.) Zitazioa
Organisation for Economic Co-operation and Development eta ProQuest (Firm). PISA 2012 Assessment and Analytical Framework. OECD, 2013.
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