Cita APA (7a ed.)

Gupta, P. K., & Hira, D. S. (2010). Problems in Operations Research: Principles and solutions. S. Chand & Co..

Cita Chicago Style (17a ed.)

Gupta, P. K., y D. S. Hira. Problems in Operations Research: Principles and Solutions. New Delhi: S. Chand & Co., 2010.

Cita MLA (9a ed.)

Gupta, P. K., y D. S. Hira. Problems in Operations Research: Principles and Solutions. S. Chand & Co., 2010.