Cita APA (7th ed.)

Koontz, H. (2007). Essentials of Management. Elsevier.

Cita Chicago (17th ed.)

Koontz, Harold. Essentials of Management. Burlington: Elsevier, 2007.

Cita MLA (9th ed.)

Koontz, Harold. Essentials of Management. Elsevier, 2007.