DeGarmo, E. P. (1997). Engineering economy (10th ed.). Prentice Hall.
Chicagoスタイル(17版)引用形式DeGarmo, Ernest Paul. Engineering Economy. 10th ed. Upper Saddle River, NJ: Prentice Hall, 1997.
MLA(9版)引用形式DeGarmo, Ernest Paul. Engineering Economy. 10th ed. Prentice Hall, 1997.
警告: この引用は必ずしも正確ではありません.