(1949). Annual bulletin of transport statistics for Europe: Bulletin annuel de statistiques de transports Europeens. 1st year.
Lua i Stíl Chicago (17ú heag.)Annual Bulletin of Transport Statistics for Europe: Bulletin Annuel De Statistiques De Transports Europeens. 1st Year. Geneva, 1949.
Lua MLA (9ú heag.)Annual Bulletin of Transport Statistics for Europe: Bulletin Annuel De Statistiques De Transports Europeens. 1st Year. 1949.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.