Lua APA (7ú heag.)

Gupta, P. K., & Hira, D. K. (2014). Introduction to Operations Research. S. Chand.

Lua i Stíl Chicago (17ú heag.)

Gupta, Prem Kumar, agus D.S.; Kamboj Hira. Introduction to Operations Research. New Delhi: S. Chand, 2014.

Lua MLA (9ú heag.)

Gupta, Prem Kumar, agus D.S.; Kamboj Hira. Introduction to Operations Research. S. Chand, 2014.

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