Παραπομπή σε μορφή APA (7η εκδ.)

European Commission. (2013). EU energy in figures: Statistical pocketbook 2013. Publications Office of the European Union.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Commission. EU Energy in Figures: Statistical Pocketbook 2013. Luxembourg: Publications Office of the European Union, 2013.

Παραπομπή σε μορφή MLA (8th εκδ.)

European Commission. EU Energy in Figures: Statistical Pocketbook 2013. Publications Office of the European Union, 2013.