Lua APA (7ú heag.)

Futrell, C. (1996). Fundamentals of selling: Customers for life (5th ed.). Irwin.

Lua i Stíl Chicago (17ú heag.)

Futrell, Charles. Fundamentals of Selling: Customers for Life. 5th ed. Chicago: Irwin, 1996.

Lua MLA (8ú heag.)

Futrell, Charles. Fundamentals of Selling: Customers for Life. 5th ed. Irwin, 1996.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.