Williams, D. K. (2013). The 7 non-negotiables of winning: Tying soft traits to hard results. Wiley.
Chicago ZitierstilWilliams, David K. The 7 Non-negotiables of Winning: Tying Soft Traits to Hard Results. Wiley, 2013.
MLA ZitierstilWilliams, David K. The 7 Non-negotiables of Winning: Tying Soft Traits to Hard Results. Wiley, 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.