APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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