Cita APA (7a ed.)

Koontz, H. (1998). Essentials of management-5th ed (5th.).

Cita Chicago Style (17a ed.)

Koontz, Harold. Essentials of Management-5th Ed. 5th. New Delhi, 1998.

Cita MLA (9a ed.)

Koontz, Harold. Essentials of Management-5th Ed. 5th. 1998.