Παραπομπή APA

Topping, P. A. (2001). Managerial leadership. McGraw Hill.

Παραπομπή Chicago Style

Topping, Peter A. Managerial Leadership. New York: McGraw Hill, 2001.

Παραπομπή MLA

Topping, Peter A. Managerial Leadership. McGraw Hill, 2001.