Organisation for Economic Co-operation and Development & ProQuest (Firm). (2009). Highlights from Education at a glance 2009. Organisation for Economic Co-operation and Development.
Παραπομπή σε μορφή Chicago (17η εκδ.)Organisation for Economic Co-operation and Development και ProQuest (Firm). Highlights from Education at a Glance 2009. Paris: Organisation for Economic Co-operation and Development, 2009.
Παραπομπή σε μορφή MLA (9th εκδ.)Organisation for Economic Co-operation and Development και ProQuest (Firm). Highlights from Education at a Glance 2009. Organisation for Economic Co-operation and Development, 2009.
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