Wagner, H. (1977). Principles of operations research.- 2nd ed (2nd ed.). Prentice Hall.
शिकागो स्टाइल उद्धरणWagner, H.M. Principles of Operations Research.- 2nd Ed. 2nd ed. New Delhi: Prentice Hall, 1977.
एमएलए उद्धरणWagner, H.M. Principles of Operations Research.- 2nd Ed. 2nd ed. Prentice Hall, 1977.
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