Magnus, H. (1964). Selling and salesmanship. Pan Books.
शिकागो स्टाइल उद्धरणMagnus, Hannaford. Selling and Salesmanship. London: Pan Books, 1964.
एमएलए उद्धरणMagnus, Hannaford. Selling and Salesmanship. Pan Books, 1964.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.