Futrell, C. (1996). Fundamentals of selling: Customers for life (5th ed.). Irwin.
Chicago Style (17. basım) AtıfFutrell, Charles. Fundamentals of Selling: Customers for Life. 5th ed. Chicago: Irwin, 1996.
MLA (8th ed.) AtıfFutrell, Charles. Fundamentals of Selling: Customers for Life. 5th ed. Irwin, 1996.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..