Παραπομπή APA

Koontz, H., O'Donnel, C., & Weihrich, H. (1972). Management. McGraw Hill.

Παραπομπή Chicago Style

Koontz, Harold, Cyril O'Donnel, και Heinz Weihrich. Management. New Delhi: McGraw Hill, 1972.

Παραπομπή MLA

Koontz, Harold, et al. Management. McGraw Hill, 1972.