Παραπομπή σε μορφή APA (7η εκδ.)

Covey Stephen R., Merrill A. Roger, & Merrill Rebecca R. (1994). First things first: To live, to love, to learn, to leave a legacy. Simon & Schuster.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Covey Stephen R., Merrill A. Roger, και Merrill Rebecca R. First Things First: To Live, to Love, to Learn, to Leave a Legacy. Simon & Schuster, 1994.

Παραπομπή σε μορφή MLA (8th εκδ.)

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