Παραπομπή σε μορφή APA (7η εκδ.)

European Commission. (2004). Promoting biofuels in Europe: Securing a cleaner future for transport. Office for Official Publications of the European Communities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Commission. Promoting Biofuels in Europe: Securing a Cleaner Future for Transport. Luxembourg: Office for Official Publications of the European Communities, 2004.

Παραπομπή σε μορφή MLA (8th εκδ.)

European Commission. Promoting Biofuels in Europe: Securing a Cleaner Future for Transport. Office for Official Publications of the European Communities, 2004.