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.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Organisation for Economic Co-operation and Development, Programme for International Student Assessment, và ProQuest (Firm). PISA 2009 Assessment Framework: Key Competencies in Reading, Mathematics and Science. Paris: OECD, 2009.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Organisation for Economic Co-operation and Development, et al. PISA 2009 Assessment Framework: Key Competencies in Reading, Mathematics and Science. OECD, 2009.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.