APA Edition Citation

Prem Kumar Gupta D.S Hira. (1979). Operations Research. S Chand and Company LTD.

Chicago Edition Citation

Prem Kumar Gupta D.S Hira. Operations Research. New Delhi: S Chand and Company LTD, 1979.

MLA Edition Citation

Prem Kumar Gupta D.S Hira. Operations Research. S Chand and Company LTD, 1979.

Warning: These citations may not always be 100% accurate.