organization for economic co-operation and development. (1997). Education at a glance oecd indicators. les indicateurs.
Citazione stile Chigago Style (17a edizione)organization for economic co-operation and development. Education at a Glance Oecd Indicators. les indicateurs, 1997.
Citatione MLA (9a ed.)organization for economic co-operation and development. Education at a Glance Oecd Indicators. les indicateurs, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.