Cita APA (7a ed.)

Futrell, C. (1990). Fundamentals of selling (3a. ed.). Richard D. Irwin, Inc..

Cita Chicago Style (17a ed.)

Futrell, Charles. Fundamentals of Selling. 3a. ed. Boston: Richard D. Irwin, Inc., 1990.

Cita MLA (9a ed.)

Futrell, Charles. Fundamentals of Selling. 3a. ed. Richard D. Irwin, Inc., 1990.