APA način citiranja (7. izdanje)
Covey, S. Tearing down walls: Covey leadership 5. Covey Leadership library.
Čikaški stil citiranja (17. izdanje)
Covey, Stephen. Tearing Down Walls: Covey Leadership 5. Covey Leadership library.
MLA način citiranja (9. izdanje)
Covey, Stephen. Tearing Down Walls: Covey Leadership 5. Covey Leadership library.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.