Gupta, P. K., & Hira, D. K. (2014). Introduction to Operations Research. S. Chand.
芝加哥风格引文Gupta, Prem Kumar, 与 D.S.; Kamboj Hira. Introduction to Operations Research. New Delhi: S. Chand, 2014.
MLA引文Gupta, Prem Kumar, 与 D.S.; Kamboj Hira. Introduction to Operations Research. S. Chand, 2014.
警告：这些引文格式不一定是100％准确.