Cita APA (7th ed.)

Gupta, P., & Hira D.S. (2020). Operations Research (7th.). S.Chand Publisher.

Cita Chicago (17th ed.)

Gupta, P.K, i Hira D.S. Operations Research. 7th. New Delhi: S.Chand Publisher, 2020.

Cita MLA (9th ed.)

Gupta, P.K, i Hira D.S. Operations Research. 7th. S.Chand Publisher, 2020.