Παραπομπή σε μορφή APA (7η εκδ.)

European Commission. (2006). EUROPE DIRECT in 2005: A successful year for the EU citizens' hotline. Office for Official Publications of the European Communities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Commission. EUROPE DIRECT in 2005: A Successful Year for the EU Citizens' Hotline. Luxembourg: Office for Official Publications of the European Communities, 2006.

Παραπομπή σε μορφή MLA (8th εκδ.)

European Commission. EUROPE DIRECT in 2005: A Successful Year for the EU Citizens' Hotline. Office for Official Publications of the European Communities, 2006.