Citazione Stile APA (7a Edizione)

Futrell, C. (1989). ABC's of selling (2nd ed.). Irwin.

Citazione stile Chigago Style (17a edizione)

Futrell, Charles. ABC's of Selling. 2nd ed. Homewood, Ill.: Irwin, 1989.

Citatione MLA (9a ed.)

Futrell, Charles. ABC's of Selling. 2nd ed. Irwin, 1989.