Παραπομπή σε μορφή APA (7η εκδ.)

(2004). European credit transfer and accumulation system (ECTS): Key features. Office for Official Publications of the European Communities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Credit Transfer and Accumulation System (ECTS): Key Features. Luxembourg: Office for Official Publications of the European Communities, 2004.

Παραπομπή σε μορφή MLA (8th εκδ.)

European Credit Transfer and Accumulation System (ECTS): Key Features. Office for Official Publications of the European Communities, 2004.