(1949). Annual bulletin of transport statistics for Europe: Bulletin annuel de statistiques de transports Europeens. 1st year.
Chicago-viite (17. p.)Annual Bulletin of Transport Statistics for Europe: Bulletin Annuel De Statistiques De Transports Europeens. 1st Year. Geneva, 1949.
MLA-viite (9. p.)Annual Bulletin of Transport Statistics for Europe: Bulletin Annuel De Statistiques De Transports Europeens. 1st Year. 1949.
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