Παραπομπή σε μορφή APA (7η εκδ.)

European Centre for the Development of Vocational Training. (2008). Validation of non-formal and informal learning in Europe: A snapshot 2007. Office for Official Publications of the European Communities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Centre for the Development of Vocational Training. Validation of Non-formal and Informal Learning in Europe: A Snapshot 2007. Luxembourg: Office for Official Publications of the European Communities, 2008.

Παραπομπή σε μορφή MLA (8th εκδ.)

European Centre for the Development of Vocational Training. Validation of Non-formal and Informal Learning in Europe: A Snapshot 2007. Office for Official Publications of the European Communities, 2008.