एपीए उद्धरण

Tiwari, N., & Shandilys, S. K. (2006). Operations research. Prentice hall of India.

शिकागो स्टाइल उद्धरण

Tiwari, N.K, और Shishir K. Shandilys. Operations Research. New Delhi: Prentice hall of India, 2006.

एमएलए उद्धरण

Tiwari, N.K, और Shishir K. Shandilys. Operations Research. Prentice hall of India, 2006.