Johnston, M. W., Churchill, G. A., Ford, N. M., Walker, O. C., & Marshall, G. W. (2011). Churchill/Ford/Walker's sales force management (10th ed.). McGraw-Hill Companies.
Citazione stile Chigago Style (17a edizione)Johnston, Mark W., Gilbert A. Churchill, Neil M. Ford, Orville C. Walker, e Greg W. Marshall. Churchill/Ford/Walker's Sales Force Management. 10th ed. New York, NY: McGraw-Hill Companies, 2011.
Citatione MLA (9a ed.)Johnston, Mark W., et al. Churchill/Ford/Walker's Sales Force Management. 10th ed. McGraw-Hill Companies, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.