Churchill, G. A., Walker, O. C., & Ford, N. M. (1993). Sales force management (4th ed.). Irwin.
Cita Chicago Style (17a ed.)Churchill, Gilbert A., Orville C. Walker, y Neil M. Ford. Sales Force Management. 4th ed. Boston: Irwin, 1993.
Cita MLA (9a ed.)Churchill, Gilbert A., et al. Sales Force Management. 4th ed. Irwin, 1993.
Precaución: Estas citas no son 100% exactas.