APA引文

Covey, S. R. (2004). The 7 habits of highly effective people. Pocket books.

Chicago Edition Citation

Covey, Stephan R. The 7 Habits of Highly Effective People. London: Pocket books, 2004.

MLA引文

Covey, Stephan R. The 7 Habits of Highly Effective People. Pocket books, 2004.

警告：這些引文格式不一定是100％准確.