Transportation economics a conference of the Universities-National Bureau Committee for Economic Research. (1965). . National Bureau of Economic Research; distributed by Colombia University Press.
Chicago Style (17. basım) AtıfTransportation economics a conference of the Universities-National Bureau Committee for Economic Research. . New York: National Bureau of Economic Research; distributed by Colombia University Press, 1965.
MLA (9th ed.) AtıfTransportation economics a conference of the Universities-National Bureau Committee for Economic Research. . National Bureau of Economic Research; distributed by Colombia University Press, 1965.
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