Cita APA

ProQuest (Firm). (2010). PISA 2009 results: Learning to learn. OECD.

Citación estilo Chicago

ProQuest (Firm). PISA 2009 Results: Learning to Learn. [Paris]: OECD, 2010.

Cita MLA

ProQuest (Firm). PISA 2009 Results: Learning to Learn. OECD, 2010.

Warning: These citations may not always be 100% accurate.