APA (7th ed.) Zitazioa
(2013). Education at a glance 2013: OECD indicators. OECD.
Chicago Style (17th ed.) Zitazioa
Education at a Glance 2013: OECD Indicators. France: OECD, 2013.
MLA (9th ed.) Zitazioa
Education at a Glance 2013: OECD Indicators. OECD, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.