Baumol, W. J. (1977). Economic theory and operations analysis. New Jersey: Prentice-Hall.
शिकागो स्टाइल उद्धरणBaumol, William J. Economic Theory and Operations Analysis. New Jersey: Prentice-Hall, 1977.
एमएलए उद्धरणBaumol, William J. Economic Theory and Operations Analysis. New Jersey: Prentice-Hall, 1977.
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