Παραπομπή σε μορφή APA (7η εκδ.)

European Environment Agency. (1999). Environment in the European Union at the turn of the century: Summary. Office for Official Publications of the European Communities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Environment Agency. Environment in the European Union at the Turn of the Century: Summary. Luxembourg: Office for Official Publications of the European Communities, 1999.

Παραπομπή σε μορφή MLA (9th εκδ.)

European Environment Agency. Environment in the European Union at the Turn of the Century: Summary. Office for Official Publications of the European Communities, 1999.