Παραπομπή σε μορφή APA (7η εκδ.)

European Commission. (2009). Smarter and cleaner: Consuming and producing sustainably. Office for Official Publications of the European Communities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Commission. Smarter and Cleaner: Consuming and Producing Sustainably. Luxembourg: Office for Official Publications of the European Communities, 2009.

Παραπομπή σε μορφή MLA (8th εκδ.)

European Commission. Smarter and Cleaner: Consuming and Producing Sustainably. Office for Official Publications of the European Communities, 2009.