Organisation for Economic Co-Operation and Development & Organisation for economic co-operation and development. (1997). Education at a glance: хOECD иindicators. Organisation for Economic Co-Operation and Development.
Παραπομπή σε μορφή Chicago (17η εκδ.)Organisation for Economic Co-Operation and Development και Organisation for economic co-operation and development. Education at a Glance: хOECD иindicators. Paris: Organisation for Economic Co-Operation and Development, 1997.
Παραπομπή σε μορφή MLA (8th εκδ.)Organisation for Economic Co-Operation and Development και Organisation for economic co-operation and development. Education at a Glance: хOECD иindicators. Organisation for Economic Co-Operation and Development, 1997.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.