Citazione Stile APA (7a Edizione)

Koontz, H., & O'Donnell, C. (1959). Principles of management ; an analysis of managerial functions (2nd ed.). s.n.

Citazione stile Chigago Style (17a edizione)

Koontz, Harold, e Cyril O'Donnell. Principles of Management ; an Analysis of Managerial Functions. 2nd ed. New York: s.n, 1959.

Citatione MLA (9a ed.)

Koontz, Harold, e Cyril O'Donnell. Principles of Management ; an Analysis of Managerial Functions. 2nd ed. s.n, 1959.