Sharpe, W. F. (1969). The economics of computers. New York: Columbia University Press.
शिकागो स्टाइल उद्धरणSharpe, William F. The Economics of Computers. New York: Columbia University Press, 1969.
एमएलए उद्धरणSharpe, William F. The Economics of Computers. New York: Columbia University Press, 1969.
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