APA (7e ed.) Bronvermelding

Howell, J. P., & Costley, D. L. (2001). Understanding behaviors for effective leadership. Prentice-Hall.

Chicago (17e ed.) Bronvermelding

Howell, Jon P., en Dan L. Costley. Understanding Behaviors for Effective Leadership. Upper Saddle River, NJ: Prentice-Hall, 2001.

MLA (9e ed.) Bronvermelding

Howell, Jon P., en Dan L. Costley. Understanding Behaviors for Effective Leadership. Prentice-Hall, 2001.