Innovation, C. f. E. R. a., & OECD. Education at a glance .. : OECD indicators. Paris.
Chicago Style aipamenaInnovation, Centre for Educational Research and, and OECD. Education At a Glance .. : OECD Indicators. Paris.
MLA aipamenaInnovation, Centre for Educational Research and, and OECD. Education At a Glance .. : OECD Indicators. Paris.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.