DeGarmo, E. P., Canada, J. R., & Sullivan, W. G. (1979). Engineering economy (6th ed.). Macmillan.
Chicagoスタイル(17版)引用形式DeGarmo, E. Paul, John R. Canada, , William G. Sullivan. Engineering Economy. 6th ed. New York: Macmillan, 1979.
MLA(9版)引用形式DeGarmo, E. Paul, et al. Engineering Economy. 6th ed. Macmillan, 1979.
警告: この引用は必ずしも正確ではありません.