Παραπομπή σε μορφή APA (7η εκδ.)

European Commission. (2009). 2008 environment policy review. Office for Official Publications of the European Communities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Commission. 2008 Environment Policy Review. Luxembourg: Office for Official Publications of the European Communities, 2009.

Παραπομπή σε μορφή MLA (8th εκδ.)

European Commission. 2008 Environment Policy Review. Office for Official Publications of the European Communities, 2009.