Παραπομπή σε μορφή APA (7η εκδ.)

European Commission. (2001). EU energy and transport in figures 2001. Office for Official Publications of the European Communities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Commission. EU Energy and Transport in Figures 2001. Luxembourg: Office for Official Publications of the European Communities, 2001.

Παραπομπή σε μορφή MLA (8th εκδ.)

European Commission. EU Energy and Transport in Figures 2001. Office for Official Publications of the European Communities, 2001.