Ferrtt Sharon K. (2005). Peak Performance: Success in College and Beyond with online access card. American: Career Education.
استشهاد بنمط شيكاغوFerrtt Sharon K. Peak Performance: Success in College and Beyond With Online Access Card. American: Career Education, 2005.
MLA استشهادFerrtt Sharon K. Peak Performance: Success in College and Beyond With Online Access Card. American: Career Education, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.