Ferrell, O. C. (2008). Business: A changing world. Boston: McGraw-Hill/Irwin.
शिकागो स्टाइल उद्धरणFerrell, O. C. Business: A Changing World. Boston: McGraw-Hill/Irwin, 2008.
एमएलए उद्धरणFerrell, O. C. Business: A Changing World. Boston: McGraw-Hill/Irwin, 2008.
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