Covey, S. R. (1999). Living the 7 habits: Stories of courage and inspiration. Fireside.
Citación estilo ChicagoCovey, Stephen R. Living the 7 Habits: Stories of Courage and Inspiration. New York: Fireside, 1999.
Cita MLACovey, Stephen R. Living the 7 Habits: Stories of Courage and Inspiration. Fireside, 1999.
Warning: These citations may not always be 100% accurate.