Brook, P. (2009). Turn Your Sales Force into Profit Heroes: Secrets for Unlocking Your Team's Inner Strength. Infinite Ideas Ltd.
Chicago-Zitierstil (17. Ausg.)Brook, Peter. Turn Your Sales Force into Profit Heroes: Secrets for Unlocking Your Team's Inner Strength. Oxford: Infinite Ideas Ltd, 2009.
MLA-Zitierstil (9. Ausg.)Brook, Peter. Turn Your Sales Force into Profit Heroes: Secrets for Unlocking Your Team's Inner Strength. Infinite Ideas Ltd, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.