Cita APA (7a ed.)

Koontz, H. (2005). Essentials of management,6th edn.

Cita Chicago Style (17a ed.)

Koontz, Harold. Essentials of Management,6th Edn. New Delhi, 2005.

Cita MLA (9a ed.)

Koontz, Harold. Essentials of Management,6th Edn. 2005.