Futrell, C. (2006). Fundamentals of selling: Customers for life through service. Boston, Mass: McGraw-Hill/Irwin.
शिकागो स्टाइल उद्धरणFutrell, Charles. Fundamentals of Selling: Customers for Life Through Service. Boston, Mass: McGraw-Hill/Irwin, 2006.
एमएलए उद्धरणFutrell, Charles. Fundamentals of Selling: Customers for Life Through Service. Boston, Mass: McGraw-Hill/Irwin, 2006.
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