APA način citiranja (7. izdanje)
Tulgan, B. (2014). The 27 challenges managers face: Step-by-step solutions to (nearly) all of your management problems. Jossey-Bass.
Čikaški stil citiranja (17. izdanje)
Tulgan, Bruce. The 27 Challenges Managers Face: Step-by-step Solutions to (nearly) All of Your Management Problems. San Francisco, California: Jossey-Bass, 2014.
MLA način citiranja (9. izdanje)
Tulgan, Bruce. The 27 Challenges Managers Face: Step-by-step Solutions to (nearly) All of Your Management Problems. Jossey-Bass, 2014.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.