Gupta Prem Kuma. (2012). Operations Research. S.Chand.
Cita Chicago (17th ed.)Gupta Prem Kuma. Operations Research. New Delhi: S.Chand, 2012.
Cita MLA (9th ed.)Gupta Prem Kuma. Operations Research. S.Chand, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.