Cita APA

Koontz, H. W. (1990). Essentials of management (5 edition.).

Chicago Edition Citation

Koontz, Harold; Weihrich. Essentials of Management. 5 edition. Mc Graw Hill: New York, 1990.

Cita MLA

Koontz, Harold; Weihrich. Essentials of Management. 5 edition. 1990.