Παραπομπή APA

Koontz, H. (1978). Essentials of management/2e (2nd ed.). McGraw Hill.

Παραπομπή Chicago Style

Koontz, Harold. Essentials of Management/2e. 2nd ed. New Delhi: McGraw Hill, 1978.

Παραπομπή MLA

Koontz, Harold. Essentials of Management/2e. 2nd ed. McGraw Hill, 1978.