APA (7e ed.) Bronvermelding

Johnston, M. W., Churchill, G. A., & Marshall, G. W. (2006). Churchill/Ford/Walker's sales force management (8th ed.). McGraw-Hill/Irwin.

Chicago (17e ed.) Bronvermelding

Johnston, Mark W., Gilbert A. Churchill, en Greg W. Marshall. Churchill/Ford/Walker's Sales Force Management. 8th ed. Boston: McGraw-Hill/Irwin, 2006.

MLA (9e ed.) Bronvermelding

Johnston, Mark W., et al. Churchill/Ford/Walker's Sales Force Management. 8th ed. McGraw-Hill/Irwin, 2006.