Παραπομπή σε μορφή APA (7η εκδ.)

European Commission & Giolitto, P. (1997). Environmental education in the European Union. Office for Official Publications of the European Communities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Commission και Pierre Giolitto. Environmental Education in the European Union. Luxembourg: Office for Official Publications of the European Communities, 1997.

Παραπομπή σε μορφή MLA (9th εκδ.)

European Commission και Pierre Giolitto. Environmental Education in the European Union. Office for Official Publications of the European Communities, 1997.