Παραπομπή σε μορφή APA (7η εκδ.)

Futrell, C. M. (2006). Fundamentals of selling: Customers for life through service (9th ed.). McGraw-Hill.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Futrell, Charles M. Fundamentals of Selling: Customers for Life Through Service. 9th ed. Boston, MA: McGraw-Hill, 2006.

Παραπομπή σε μορφή MLA (9th εκδ.)

Futrell, Charles M. Fundamentals of Selling: Customers for Life Through Service. 9th ed. McGraw-Hill, 2006.