Dyfyniad APA

Gupta, P., & Hira, D. (1979). Operations research: An introduction. S chand.

Dyfyniad Arddull Chicago

Gupta, P.K, and D.S Hira. Operations Research: An Introduction. New Delhi: S chand, 1979.

Dyfyniad MLA

Gupta, P.K, and D.S Hira. Operations Research: An Introduction. S chand, 1979.

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