Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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