Gaya APA

A, S, R, C, -. (2000). Living the 7 Habits: The Courage to Change (cet 1). New York: Franklin Covey Co..

Gaya MLA

A, Stephen, R., Covey, -. "Living the 7 Habits: The Courage to Change". cet 1 New York: Franklin Covey Co., 2000. Text.