Cita APA

Covey, S. R. (1994). First things first: To live, to love, to learn, to leave a legacy. New York: Simon & Schuster.

Chicago Style Citation

Covey, Stephen R. First Things First: To Live, to Love, to Learn, to Leave a Legacy. New York: Simon & Schuster, 1994.

Cita MLA

Covey, Stephen R. First Things First: To Live, to Love, to Learn, to Leave a Legacy. New York: Simon & Schuster, 1994.

Atenció: Aquestes cites poden no estar 100% correctes.