National Research Council (U.S.). Transportation Research Board. Meeting. (1999). Transportation system management, transportation demand management, and high-occupancy vehicle systems. National Academy Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)National Research Council (U.S.). Transportation Research Board. Meeting. Transportation System Management, Transportation Demand Management, and High-occupancy Vehicle Systems. Washington, D.C: National Academy Press, 1999.
Παραπομπή σε μορφή MLA (9th εκδ.)National Research Council (U.S.). Transportation Research Board. Meeting. Transportation System Management, Transportation Demand Management, and High-occupancy Vehicle Systems. National Academy Press, 1999.
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