European Commission. (2001). European report on the quality of school education: Sixteen quality indicators. Office for Official Publications of the European Communities.
Παραπομπή σε μορφή Chicago (17η εκδ.)European Commission. European Report on the Quality of School Education: Sixteen Quality Indicators. Luxembourg: Office for Official Publications of the European Communities, 2001.
Παραπομπή σε μορφή MLA (8th εκδ.)European Commission. European Report on the Quality of School Education: Sixteen Quality Indicators. Office for Official Publications of the European Communities, 2001.
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