), O. (. O. f. E. C. a. D. (1972). Classification of educational systems in OECD member countries: Netherlands Sweden Turkey. OECD.
Chicago Style aipamena), OECD ( Organisation for Economic Co-Operation and Development. Classification of Educational Systems in OECD Member Countries: Netherlands Sweden Turkey. OECD, 1972.
MLA aipamena), OECD ( Organisation for Economic Co-Operation and Development. Classification of Educational Systems in OECD Member Countries: Netherlands Sweden Turkey. OECD, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.