Cita APA (7th ed.)

KOONTZ, H., & WEIHRICH, H. (1988). Management.-- Ed.9. McGraw-Hill Book.

Cita Chicago (17th ed.)

KOONTZ, Harold, i Heinz WEIHRICH. Management.-- Ed.9. New York: McGraw-Hill Book, 1988.

Cita MLA (9th ed.)

KOONTZ, Harold, i Heinz WEIHRICH. Management.-- Ed.9. McGraw-Hill Book, 1988.