Παραπομπή σε μορφή APA (7η εκδ.)

European Commission. (2006). Better and cleaner urban transport for Europe. European Commission, Directorate-General for Energy and Transport.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Commission. Better and Cleaner Urban Transport for Europe. Brussels: European Commission, Directorate-General for Energy and Transport, 2006.

Παραπομπή σε μορφή MLA (8th εκδ.)

European Commission. Better and Cleaner Urban Transport for Europe. European Commission, Directorate-General for Energy and Transport, 2006.