Cita APA (7th ed.)
Organisation for Economic Co-operation and Development & ProQuest (Firm). (2010). PISA 2009 results: What students know and can do. OECD.
Cita Chicago (17th ed.)
Organisation for Economic Co-operation and Development i ProQuest (Firm). PISA 2009 Results: What Students Know and Can Do. [Paris]: OECD, 2010.
Cita MLA (9th ed.)
Organisation for Economic Co-operation and Development i ProQuest (Firm). PISA 2009 Results: What Students Know and Can Do. OECD, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.