APA-čujuhus (7. p.)
ProQuest (Firm). (2010). PISA 2009 results: Overcoming social background. OECD.
Chicago-čujuhus (17. p.)
ProQuest (Firm). PISA 2009 Results: Overcoming Social Background. [Paris]: OECD, 2010.
MLA-čujuhus (9. p.)
ProQuest (Firm). PISA 2009 Results: Overcoming Social Background. OECD, 2010.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.