OECD. (2009). A profile of student performance in reading and science. Instituto Politécnico Nacional.
Citazione stile Chigago Style (17a edizione)OECD. A Profile of Student Performance in Reading and Science. Instituto Politécnico Nacional, 2009.
Citatione MLA (9a ed.)OECD. A Profile of Student Performance in Reading and Science. Instituto Politécnico Nacional, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.