एपीए उद्धरण

Gupta, P. (2002). Problems in operations research. S.Chand.

शिकागो स्टाइल उद्धरण

Gupta, P.K. Problems in Operations Research. New Delhi: S.Chand, 2002.

एमएलए उद्धरण

Gupta, P.K. Problems in Operations Research. S.Chand, 2002.