Παραπομπή σε μορφή APA (7η εκδ.)

European Commission. (2000). Energy, environment and sustainable development: Sub-programme. Office for Official Publications of the European Communities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Commission. Energy, Environment and Sustainable Development: Sub-programme. Luxembourg: Office for Official Publications of the European Communities, 2000.

Παραπομπή σε μορφή MLA (8th εκδ.)

European Commission. Energy, Environment and Sustainable Development: Sub-programme. Office for Official Publications of the European Communities, 2000.