organization for economic co-operation and development. (1997). Education at a glance oecd indicators. les indicateurs.
Чикаго стиль цитування (17-те видання)organization for economic co-operation and development. Education at a Glance Oecd Indicators. les indicateurs, 1997.
Стиль цитування MLA (9-ме видання)organization for economic co-operation and development. Education at a Glance Oecd Indicators. les indicateurs, 1997.