Churchil, G. A. .. e. (1990). Sales Force Management Planning, Implementation And Control Gilbert A. Churchil, Neil M Ford And Orville C. Walker. Irwin.
Chicago-referens (17:e uppl.)Churchil, Gilbert A .. et..al. Sales Force Management Planning, Implementation And Control Gilbert A. Churchil, Neil M Ford And Orville C. Walker. Irwin, 1990.
MLA-referens (8:e uppl.)Churchil, Gilbert A .. et..al. Sales Force Management Planning, Implementation And Control Gilbert A. Churchil, Neil M Ford And Orville C. Walker. Irwin, 1990.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.