Cita APA (7th ed.)

Organisation for Economic Co-operation and Development & ProQuest (Firm). (2009). Education at a glance 2009: OECD indicators. OECD.

Cita Chicago (17th ed.)

Organisation for Economic Co-operation and Development i ProQuest (Firm). Education at a Glance 2009: OECD Indicators. Paris: OECD, 2009.

Cita MLA (9th ed.)

Organisation for Economic Co-operation and Development i ProQuest (Firm). Education at a Glance 2009: OECD Indicators. OECD, 2009.