Παραπομπή σε μορφή APA (7η εκδ.)

European Commission. (2021). EU transport in figures: Statistical pocketbook 2021. Publications Office of the European Union.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Commission. EU Transport in Figures: Statistical Pocketbook 2021. Luxembourg: Publications Office of the European Union, 2021.

Παραπομπή σε μορφή MLA (8th εκδ.)

European Commission. EU Transport in Figures: Statistical Pocketbook 2021. Publications Office of the European Union, 2021.