Παραπομπή σε μορφή APA (7η εκδ.)

European Commission. (2012). EU energy in figures: Statistical pocketbook 2012. Publications Office of the European Union.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Commission. EU Energy in Figures: Statistical Pocketbook 2012. Luxembourg: Publications Office of the European Union, 2012.

Παραπομπή σε μορφή MLA (8th εκδ.)

European Commission. EU Energy in Figures: Statistical Pocketbook 2012. Publications Office of the European Union, 2012.