एपीए उद्धरण

Gupta, P. K. (2002). Operations research. S.Chand.

शिकागो स्टाइल उद्धरण

Gupta, Prem Kumar. Operations Research. New Delhi: S.Chand, 2002.

एमएलए उद्धरण

Gupta, Prem Kumar. Operations Research. S.Chand, 2002.