Covey, S. (1992). The seven habits of highly effective people. Simon & Schuster.
Čikaški stil citiranja (17. izdanje)Covey, Stephen. The Seven Habits of Highly Effective People. London: Simon & Schuster, 1992.
MLA način citiranja (9. izdanje)Covey, Stephen. The Seven Habits of Highly Effective People. Simon & Schuster, 1992.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.