Παραπομπή σε μορφή APA (7η εκδ.)

European Commission. (2003). Fourth annual survey: On the implementation and enforcement of Community environmental law. Office for Official Publications of the European Communities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Commission. Fourth Annual Survey: On the Implementation and Enforcement of Community Environmental Law. Luxembourg: Office for Official Publications of the European Communities, 2003.

Παραπομπή σε μορφή MLA (8th εκδ.)

European Commission. Fourth Annual Survey: On the Implementation and Enforcement of Community Environmental Law. Office for Official Publications of the European Communities, 2003.