APA引文

Covey, S. R. (2020). 7 Habits of Highly Effective People. Simon and Schuster.

Chicago Style (17th ed.) Citation

Covey, Stephen R. 7 Habits of Highly Effective People. New Delhi: Simon and Schuster, 2020.

MLA引文

Covey, Stephen R. 7 Habits of Highly Effective People. Simon and Schuster, 2020.