Παραπομπή σε μορφή APA (7η εκδ.)

European Commission. (2007). Protecting passengers and goods transport in Europe. European Commission, Directorate-General for Energy and Transport.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Commission. Protecting Passengers and Goods Transport in Europe. Brussels: European Commission, Directorate-General for Energy and Transport, 2007.

Παραπομπή σε μορφή MLA (8th εκδ.)

European Commission. Protecting Passengers and Goods Transport in Europe. European Commission, Directorate-General for Energy and Transport, 2007.