Prem Kumar Gupta, D. (2009). Problems in operations research: Principles and solutions. S. Chand.
Chicago-стиль цитированияPrem Kumar Gupta, D.S. Problems in Operations Research: Principles and Solutions. New Delhi: S. Chand, 2009.
MLA-цитированиеPrem Kumar Gupta, D.S. Problems in Operations Research: Principles and Solutions. S. Chand, 2009.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.