Citazione Stile APA (7a Edizione)

Organisation for Economic Co-operation and Development, Programme for International Student Assessment, & ProQuest (Firm). (2009). PISA 2009 assessment framework: Key competencies in reading, mathematics and science. OECD.

Citazione stile Chigago Style (17a edizione)

Organisation for Economic Co-operation and Development, Programme for International Student Assessment, e ProQuest (Firm). PISA 2009 Assessment Framework: Key Competencies in Reading, Mathematics and Science. Paris: OECD, 2009.

Citatione MLA (9a ed.)

Organisation for Economic Co-operation and Development, et al. PISA 2009 Assessment Framework: Key Competencies in Reading, Mathematics and Science. OECD, 2009.