Covey, S. R. (2004). The 7 habits of highly effective people: Restoring the character ethic (15th anniversary ed.). Franklin Covey Co. ; Distributed by Simon & Schuster Audio.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Covey, Stephen R. The 7 Habits of Highly Effective People: Restoring the Character Ethic. 15th anniversary ed. [Salt Lake City] : [New York]: Franklin Covey Co. ; Distributed by Simon & Schuster Audio, 2004.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Covey, Stephen R. The 7 Habits of Highly Effective People: Restoring the Character Ethic. 15th anniversary ed. Franklin Covey Co. ; Distributed by Simon & Schuster Audio, 2004.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.