Παραπομπή σε μορφή APA (7η εκδ.)

European Commission. (2006). Biofuels to replace oil. European Commission, Directorate-General for Energy and Transport.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Commission. Biofuels to Replace Oil. Brussels: European Commission, Directorate-General for Energy and Transport, 2006.

Παραπομπή σε μορφή MLA (8th εκδ.)

European Commission. Biofuels to Replace Oil. European Commission, Directorate-General for Energy and Transport, 2006.