Universities National Bureau Committee for Economic Research. (1965). Transportation economics: A conference of the Universities-National bureau committee for economic research. New York: Distributed by Columbia University Press.
استشهاد بنمط شيكاغوUniversities National Bureau Committee for Economic Research. Transportation Economics: A Conference of the Universities-National Bureau Committee for Economic Research. New York: Distributed by Columbia University Press, 1965.
MLA استشهادUniversities National Bureau Committee for Economic Research. Transportation Economics: A Conference of the Universities-National Bureau Committee for Economic Research. New York: Distributed by Columbia University Press, 1965.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.