Felix, B. (1957). XXXIInd International Congress Hamburg-Berlin 1957: Fares 1)Relation between fares and "Receipts and expenses" of public transport undertakings 2)Reduction of expenses through one man operation (fare systems and fare-collection). Brussels: International Union of Public Transport.
Παραπομπή Chicago StyleFelix, B.B.C. XXXIInd International Congress Hamburg-Berlin 1957: Fares 1)Relation between Fares and "Receipts and Expenses" of Public Transport Undertakings 2)Reduction of Expenses Through One Man Operation (fare Systems and Fare-collection). Brussels: International Union of Public Transport, 1957.
Παραπομπή MLAFelix, B.B.C. XXXIInd International Congress Hamburg-Berlin 1957: Fares 1)Relation between Fares and "Receipts and Expenses" of Public Transport Undertakings 2)Reduction of Expenses Through One Man Operation (fare Systems and Fare-collection). Brussels: International Union of Public Transport, 1957.