Παραπομπή σε μορφή APA (7η εκδ.)

European Commission. (2004). 2003 Environmental policy review: Consolidating the environmental pillar of sustainable development. Office for Official Publications of the European Communities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Commission. 2003 Environmental Policy Review: Consolidating the Environmental Pillar of Sustainable Development. Luxembourg: Office for Official Publications of the European Communities, 2004.

Παραπομπή σε μορφή MLA (8th εκδ.)

European Commission. 2003 Environmental Policy Review: Consolidating the Environmental Pillar of Sustainable Development. Office for Official Publications of the European Communities, 2004.