एपीए उद्धरण

Goel, B. S. M. (2012). Pragati's operations research (27 edition.).

शिकागो स्टाइल उद्धरण

Goel, B S; Mittal. Pragati's Operations Research. 27 edition. Pragati Prakashan, Meerut, 2012.

एमएलए उद्धरण

Goel, B S; Mittal. Pragati's Operations Research. 27 edition. 2012.