Drake-Knight, N. (2007). Boomerang!: Coach your team to be the best and see customers come back time after time. Pollinger in Print.
Chicago-Zitierstil (17. Ausg.)Drake-Knight, Nick. Boomerang!: Coach Your Team to Be the Best and See Customers Come Back Time After Time. London: Pollinger in Print, 2007.
MLA-Zitierstil (9. Ausg.)Drake-Knight, Nick. Boomerang!: Coach Your Team to Be the Best and See Customers Come Back Time After Time. Pollinger in Print, 2007.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.