Cita APA (7th ed.)

Programme for International Student Assessment & ProQuest (Firm). (2010). Changes in student performance since 2000. OECD.

Cita Chicago (17th ed.)

Programme for International Student Assessment i ProQuest (Firm). Changes in Student Performance Since 2000. [Paris]: OECD, 2010.

Cita MLA (9th ed.)

Programme for International Student Assessment i ProQuest (Firm). Changes in Student Performance Since 2000. OECD, 2010.

Atenció: Aquestes cites poden no estar 100% correctes.