Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.