APA-čujuhus (7. p.)
Organisation for Economic Co-operation and Development & ProQuest (Firm). (2009). Top of the class: High performers in science in PISA 2006. OECD.
Chicago-čujuhus (17. p.)
Organisation for Economic Co-operation and Development juo ProQuest (Firm). Top of the Class: High Performers in Science in PISA 2006. Paris, France: OECD, 2009.
MLA-čujuhus (9. p.)
Organisation for Economic Co-operation and Development juo ProQuest (Firm). Top of the Class: High Performers in Science in PISA 2006. OECD, 2009.
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