Hira, D. S., & Gupta, P. K. (1997). Operations Research. Modern Book Centre.
Chicagoスタイル(17版)引用形式Hira, D. S., , P. K. Gupta. Operations Research. New Delhi: Modern Book Centre, 1997.
MLA(9版)引用形式Hira, D. S., , P. K. Gupta. Operations Research. Modern Book Centre, 1997.
警告: この引用は必ずしも正確ではありません.