Παραπομπή APA

Koontz, H., & Donnell,Cyril O'. (1978). Essentials of management (2nd ed.). McGraw Hill publishing co. ltd.

Παραπομπή Chicago Style

Koontz, Harold, και Donnell,Cyril O'. Essentials of Management. 2nd ed. New Delhi: McGraw Hill publishing co. ltd, 1978.

Παραπομπή MLA

Koontz, Harold, και Donnell,Cyril O'. Essentials of Management. 2nd ed. McGraw Hill publishing co. ltd, 1978.