Cita APA (7a ed.)
Programme for International Student Assessment & ProQuest (Firm). (2011). PISA 2009 at a glance. OECD.
Cita Chicago Style (17a ed.)
Programme for International Student Assessment y ProQuest (Firm). PISA 2009 at a Glance. Paris: OECD, 2011.
Cita MLA (9a ed.)
Programme for International Student Assessment y ProQuest (Firm). PISA 2009 at a Glance. OECD, 2011.
Precaución: Estas citas no son 100% exactas.