Cita APA (7a ed.)

Johnston, M. W., & Marshall, G. W. (2003). Churchill, Ford, Walker's sales force management (7th ed.). McGraw-Hill/Irwin.

Cita Chicago Style (17a ed.)

Johnston, Mark W., y Greg W. Marshall. Churchill, Ford, Walker's Sales Force Management. 7th ed. Boston: McGraw-Hill/Irwin, 2003.

Cita MLA (9a ed.)

Johnston, Mark W., y Greg W. Marshall. Churchill, Ford, Walker's Sales Force Management. 7th ed. McGraw-Hill/Irwin, 2003.