Cita APA

Gupta, P. K., & Hira, D. (1976). Operations research (1st Edition.). S Chand.

Chicago Edition Citation

Gupta, Prem Kumar, i D.S Hira. Operations Research. 1st Edition. New Delhi: S Chand, 1976.

Cita MLA

Gupta, Prem Kumar, i D.S Hira. Operations Research. 1st Edition. S Chand, 1976.