Παραπομπή σε μορφή APA (7η εκδ.)

European Commission & European Commission Eurostat. (2013). Energy, transport and environment indicators 2013. Publications Office of the European Union.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Commission και European Commission Eurostat. Energy, Transport and Environment Indicators 2013. Luxembourg: Publications Office of the European Union, 2013.

Παραπομπή σε μορφή MLA (8th εκδ.)

European Commission και European Commission Eurostat. Energy, Transport and Environment Indicators 2013. Publications Office of the European Union, 2013.