APA (7th ed.) Zitazioa
Churchill, G. A., Ford, N. M., & Walker, O. C. (1997). Sales force management (5th ed.). Irwin.
Chicago Style (17th ed.) Zitazioa
Churchill, Gilbert A., Neil M. Ford, eta Orville C. Walker. Sales Force Management. 5th ed. Chicago: Irwin, 1997.
MLA (9th ed.) Zitazioa
Churchill, Gilbert A., et al. Sales Force Management. 5th ed. Irwin, 1997.
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