Παραπομπή σε μορφή APA (7η εκδ.)

European Commission. (2005). Mountainous areas of European Union. Office for Official Publications of the European Communities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Commission. Mountainous Areas of European Union. Luxembourg: Office for Official Publications of the European Communities, 2005.

Παραπομπή σε μορφή MLA (8th εκδ.)

European Commission. Mountainous Areas of European Union. Office for Official Publications of the European Communities, 2005.