APA (7th ed.) Zitazioa
Programme for International Student Assessment & ProQuest (Firm). (2010). Changes in student performance since 2000. OECD.
Chicago Style (17th ed.) Zitazioa
Programme for International Student Assessment eta ProQuest (Firm). Changes in Student Performance Since 2000. [Paris]: OECD, 2010.
MLA (9th ed.) Zitazioa
Programme for International Student Assessment eta ProQuest (Firm). Changes in Student Performance Since 2000. OECD, 2010.
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