Ferrell, O. C. (2006). Business: A changing world. Boston: McGraw-Hill/Irwin.
शिकागो स्टाइल उद्धरणFerrell, O. C. Business: A Changing World. Boston: McGraw-Hill/Irwin, 2006.
एमएलए उद्धरणFerrell, O. C. Business: A Changing World. Boston: McGraw-Hill/Irwin, 2006.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.