Organizacja Narodów Zjednoczonych. Economic Commission for Europe. Transport Division. (1955). Annual Bulletin of Transport Statistics for Europe =: Bulletin Annuel de Statistiques de Transports pour l'Europe. United Nations, Economic Commission for Europe.
Chicago-Zitierstil (17. Ausg.)Organizacja Narodów Zjednoczonych. Economic Commission for Europe. Transport Division. Annual Bulletin of Transport Statistics for Europe =: Bulletin Annuel De Statistiques De Transports Pour L'Europe. Geneva: United Nations, Economic Commission for Europe, 1955.
MLA-Zitierstil (9. Ausg.)Organizacja Narodów Zjednoczonych. Economic Commission for Europe. Transport Division. Annual Bulletin of Transport Statistics for Europe =: Bulletin Annuel De Statistiques De Transports Pour L'Europe. United Nations, Economic Commission for Europe, 1955.