Παραπομπή σε μορφή APA (7η εκδ.)

Covey, S. R. (1989). The seven habits of highly effective people: Restoring the character ethic. Simon and Schuster.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Covey, Stephen R. The Seven Habits of Highly Effective People: Restoring the Character Ethic. New York: Simon and Schuster, 1989.

Παραπομπή σε μορφή MLA (8th εκδ.)

Covey, Stephen R. The Seven Habits of Highly Effective People: Restoring the Character Ethic. Simon and Schuster, 1989.