Covey Stephen R. (2004). The 7 habits of highly effective people. Pocket Books.
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Chicago Style (17th ed.) Citation
Covey Stephen R. The 7 Habits of Highly Effective People. New York: Pocket Books, 2004.
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MLA引文
Covey Stephen R. The 7 Habits of Highly Effective People. Pocket Books, 2004.
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警告：這些引文格式不一定是100％准確.