Riggs, J. L., & West, T. M. (1986). Engineering economics (3rd ed.). McGraw-Hill.
芝加哥风格引文Riggs, James L., 与 Thomas M. West. Engineering Economics. 3rd ed. New York: McGraw-Hill, 1986.
MLA引文Riggs, James L., 与 Thomas M. West. Engineering Economics. 3rd ed. McGraw-Hill, 1986.
警告：这些引文格式不一定是100％准确.