CHURCHILL, G. A., FORD, N. M., & WALKER, O. C. (1990). Sales force management: Planning, implementation, andcontrol.-- Ed.3. Irwin.
Chicago-čujuhus (17. p.)CHURCHILL, Gilbert A., Neil M. FORD, juo Orville C. WALKER. Sales Force Management: Planning, Implementation, Andcontrol.-- Ed.3. Boston: Irwin, 1990.
MLA-čujuhus (9. p.)CHURCHILL, Gilbert A., et al. Sales Force Management: Planning, Implementation, Andcontrol.-- Ed.3. Irwin, 1990.
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