Cita APA (7th ed.)

CHURCHILL, G. A., FORD, N. M., & WALKER, O. C. (1990). Sales force management: Planning, implementation, andcontrol.-- Ed.3. Irwin.

Cita Chicago (17th ed.)

CHURCHILL, Gilbert A., Neil M. FORD, i Orville C. WALKER. Sales Force Management: Planning, Implementation, Andcontrol.-- Ed.3. Boston: Irwin, 1990.

Cita MLA (9th ed.)

CHURCHILL, Gilbert A., et al. Sales Force Management: Planning, Implementation, Andcontrol.-- Ed.3. Irwin, 1990.