APA (7e ed.) Bronvermelding
Tulgan, B. (2014). The 27 challenges managers face: Step-by-step solutions to (nearly) all of your management problems. Jossey-Bass.
Chicago (17e ed.) Bronvermelding
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 (9e ed.) Bronvermelding
Tulgan, Bruce. The 27 Challenges Managers Face: Step-by-step Solutions to (nearly) All of Your Management Problems. Jossey-Bass, 2014.
Let op: Deze citaties zijn niet altijd 100% accuraat.