Tennent, J. (2002). Guide to business modelling. The Economist Books.
शिकागो स्टाइल उद्धरणTennent, John. Guide to Business Modelling. London: The Economist Books, 2002.
एमएलए उद्धरणTennent, John. Guide to Business Modelling. The Economist Books, 2002.
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