Παραπομπή σε μορφή APA (7η εκδ.)

European Commission. (2009). Lightening the energy load: Energy efficiency in industry. Publications Office of the European Union.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Commission. Lightening the Energy Load: Energy Efficiency in Industry. Luxembourg: Publications Office of the European Union, 2009.

Παραπομπή σε μορφή MLA (8th εκδ.)

European Commission. Lightening the Energy Load: Energy Efficiency in Industry. Publications Office of the European Union, 2009.