Koestenbaum, P. (2002). Leadership: The inner side of greatness (New and rev.). Jossey-Bass.
Citazione stile Chigago Style (17a edizione)Koestenbaum, Peter. Leadership: The Inner Side of Greatness. New and rev. San Francisco: Jossey-Bass, 2002.
Citatione MLA (9a ed.)Koestenbaum, Peter. Leadership: The Inner Side of Greatness. New and rev. Jossey-Bass, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.