APA引文
ProQuest (Firm). (2011). PISA 2009 results: Students on line. OECD.
芝加哥风格引文
ProQuest (Firm). PISA 2009 Results: Students on Line. [Paris]: OECD, 2011.
MLA引文
ProQuest (Firm). PISA 2009 Results: Students on Line. OECD, 2011.
警告:这些引文格式不一定是100%准确.