Organisation for Economic Co-operation and Development, Programme for International Student Assessment, & ProQuest (Firm). (2009). PISA 2006 technical report. OECD.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Organisation for Economic Co-operation and Development, Programme for International Student Assessment, ба ProQuest (Firm). PISA 2006 Technical Report. Paris: OECD, 2009.
MLA -ийн эшлэл (9 дэх хэвлэлт)Organisation for Economic Co-operation and Development, et al. PISA 2006 Technical Report. OECD, 2009.
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