Gerson, R. (2004). Headcoaching: Mental training for peak performance. [Bloomington, IN]: 1st Books Library.
Chicago ZitierstilGerson, Richard. Headcoaching: Mental Training for Peak Performance. [Bloomington, IN]: 1st Books Library, 2004.
MLA ZitierstilGerson, Richard. Headcoaching: Mental Training for Peak Performance. [Bloomington, IN]: 1st Books Library, 2004.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.