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.
Chicago Style (17th ed.) CitationCovey, 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.
MLA引文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.
警告：這些引文格式不一定是100％准確.