Riggs, J. L. (1982). Essentials of engineering economics. McGraw-Hill.
Chicagoスタイル(17版)引用形式Riggs, James L. Essentials of Engineering Economics. New York: McGraw-Hill, 1982.
MLA(9版)引用形式Riggs, James L. Essentials of Engineering Economics. McGraw-Hill, 1982.
警告: この引用は必ずしも正確ではありません.