Παραπομπή σε μορφή APA (7η εκδ.)

European Commission. (2007). 2006 Environmental policy review: COM(2007) 195. Office for Official Publications of the European Communities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Commission. 2006 Environmental Policy Review: COM(2007) 195. Luxembourg: Office for Official Publications of the European Communities, 2007.

Παραπομπή σε μορφή MLA (8th εκδ.)

European Commission. 2006 Environmental Policy Review: COM(2007) 195. Office for Official Publications of the European Communities, 2007.