APA (7th ed.) Zitazioa
Futrell, C. (2002). Fundamentals of selling: Customers for life (7th ed.). Irwin/McGraw-Hill.
Chicago Style (17th ed.) Zitazioa
Futrell, Charles. Fundamentals of Selling: Customers for Life. 7th ed. Boston: Irwin/McGraw-Hill, 2002.
MLA (9th ed.) Zitazioa
Futrell, Charles. Fundamentals of Selling: Customers for Life. 7th ed. Irwin/McGraw-Hill, 2002.
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