Churchill, G. A. (2000). Sales force management (6th ed.). Irwin McGraw-Hill.
Chicago Style aipamenaChurchill, Gilbert A. Sales Force Management. 6th ed. Boston: Irwin McGraw-Hill, 2000.
MLA aipamenaChurchill, Gilbert A. Sales Force Management. 6th ed. Irwin McGraw-Hill, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.