Stephen R Covey. The 7 Habits Of Highly Effective People. Simon.
Chicago Style (17th ed.) CitationStephen R Covey. The 7 Habits Of Highly Effective People. Simon.
MLA引文Stephen R Covey. The 7 Habits Of Highly Effective People. Simon.
警告：這些引文格式不一定是100％准確.