organization for economic co-operation and development. (1997). Education at a glance oecd indicators. les indicateurs.
Čikaški stil citiranja (17. izdanje)organization for economic co-operation and development. Education at a Glance Oecd Indicators. les indicateurs, 1997.
MLA način citiranja (9. izdanje)organization for economic co-operation and development. Education at a Glance Oecd Indicators. les indicateurs, 1997.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.