Gupta, P. K. H. (2016). Operations Research. S.Chand.
Cita Chicago (17th ed.)Gupta, Prem Kumar; Hira. Operations Research. New Delhi: S.Chand, 2016.
Cita MLA (9th ed.)Gupta, Prem Kumar; Hira. Operations Research. S.Chand, 2016.
Atenció: Aquestes cites poden no estar 100% correctes.