APA aipamena

Churchill, G. A., Ford, N. M., & Walker, O. C. (1993). Sales force management (4th ed.). Irwin.

Chicago Style aipamena

Churchill, Gilbert A., Neil M. Ford, and Orville C. Walker. Sales Force Management. 4th ed. Homewood, IL: Irwin, 1993.

MLA aipamena

Churchill, Gilbert A., et al. Sales Force Management. 4th ed. Irwin, 1993.