Cita APA (7th ed.)
ProQuest (Firm). (2010). PISA 2009 results: Overcoming social background. OECD.
Cita Chicago (17th ed.)
ProQuest (Firm). PISA 2009 Results: Overcoming Social Background. [Paris]: OECD, 2010.
Cita MLA (9th ed.)
ProQuest (Firm). PISA 2009 Results: Overcoming Social Background. OECD, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.