APA استشهاد

Koontz, H., & O'Donnell Cyril. (1968). Principles of management: An analysis of managerial functions/4e (4th ed.). McGraw Hill.

استشهاد بنمط شيكاغو

Koontz, Harold, و O'Donnell Cyril. Principles of Management: An Analysis of Managerial Functions/4e. 4th ed. New York: McGraw Hill, 1968.

MLA استشهاد

Koontz, Harold, و O'Donnell Cyril. Principles of Management: An Analysis of Managerial Functions/4e. 4th ed. McGraw Hill, 1968.