Ferrett, S. K. (2012). Peak Performance: Success in College and Beyond. McGraw Hill Higher Education.
استشهاد بنمط شيكاغوFerrett, Sharon K. Peak Performance: Success in College and Beyond. McGraw Hill Higher Education, 2012.
MLA استشهادFerrett, Sharon K. Peak Performance: Success in College and Beyond. McGraw Hill Higher Education, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.