Covey Stephen R. (2004). Seven habits Of Highly Effective People. Simon Schuster.
芝加哥风格引文Covey Stephen R. Seven Habits Of Highly Effective People. London: Simon Schuster, 2004.
MLA引文Covey Stephen R. Seven Habits Of Highly Effective People. Simon Schuster, 2004.
警告：这些引文格式不一定是100％准确.