Programme for International Student Assessment, Organisation for Economic Co-operation and Development, & ProQuest (Firm). (2009). Take the test: Sample questions from OECD's PISA assessments. OECD.
Chicago Style (17th ed.) CitationProgramme for International Student Assessment, Organisation for Economic Co-operation and Development, and ProQuest (Firm). Take the Test: Sample Questions from OECD's PISA Assessments. Paris: OECD, 2009.
MLA (9th ed.) CitationProgramme for International Student Assessment, et al. Take the Test: Sample Questions from OECD's PISA Assessments. OECD, 2009.
Warning: These citations may not always be 100% accurate.