Covey, S. R. (2020). 7 Habits of Highly Effective People. Simon and Schuster.
Citación estilo ChicagoCovey, Stephen R. 7 Habits of Highly Effective People. New Delhi: Simon and Schuster, 2020.
Cita MLACovey, Stephen R. 7 Habits of Highly Effective People. Simon and Schuster, 2020.
Warning: These citations may not always be 100% accurate.