Παραπομπή σε μορφή APA (7η εκδ.)

European Commission. (2004). Citizens signpost service: Activity report - July 2002-June 2003. Office for Official Publications of the European Communities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Commission. Citizens Signpost Service: Activity Report - July 2002-June 2003. Luxembourg: Office for Official Publications of the European Communities, 2004.

Παραπομπή σε μορφή MLA (8th εκδ.)

European Commission. Citizens Signpost Service: Activity Report - July 2002-June 2003. Office for Official Publications of the European Communities, 2004.