Johnston, M. W. (2006). Churchill/Ford/Walker’s Sales Force Management. Boston: McGraw-Hill/Irwin.
Chicago Style aipamenaJohnston, Mark W. Churchill/Ford/Walker’s Sales Force Management. Boston: McGraw-Hill/Irwin, 2006.
MLA aipamenaJohnston, Mark W. Churchill/Ford/Walker’s Sales Force Management. Boston: McGraw-Hill/Irwin, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.