Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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