Gerson, R. (2004). Headcoaching: Mental training for peak performance. [Bloomington, IN]: 1st Books Library.
استشهاد بنمط شيكاغوGerson, Richard. Headcoaching: Mental Training for Peak Performance. [Bloomington, IN]: 1st Books Library, 2004.
MLA استشهادGerson, Richard. Headcoaching: Mental Training for Peak Performance. [Bloomington, IN]: 1st Books Library, 2004.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.