Dyfyniad APA

Gupta, P. K., & Hira, D. (2002). Operations research. S. Chand & company.

Dyfyniad Arddull Chicago

Gupta, Prem Kumar, and D.S Hira. Operations Research. New Delhi: S. Chand & company, 2002.

Dyfyniad MLA

Gupta, Prem Kumar, and D.S Hira. Operations Research. S. Chand & company, 2002.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.