Fair, M. L., & Williams, E. W. (1959). Economics of transportation. Harper.
Chicago Edition CitationFair, Marvine L., and Earnest W. Williams. Economics of Transportation. New York: Harper, 1959.
MLA引文Fair, Marvine L., and Earnest W. Williams. Economics of Transportation. Harper, 1959.
警告:這些引文格式不一定是100%准確.