Παραπομπή σε μορφή APA (7η εκδ.)

European Commission. (2003). European Union energy & transport in figures 2003. Office for Official Publications of the European Communities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Commission. European Union Energy & Transport in Figures 2003. Luxembourg: Office for Official Publications of the European Communities, 2003.

Παραπομπή σε μορφή MLA (8th εκδ.)

European Commission. European Union Energy & Transport in Figures 2003. Office for Official Publications of the European Communities, 2003.