Παραπομπή σε μορφή APA (7η εκδ.)

Koestenbaum, P. (1991). Leadership: The inner side of greatness : a philosophy for leaders (First edition.). Jossey-Bass Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Koestenbaum, Peter. Leadership: The Inner Side of Greatness : A Philosophy for Leaders. First edition. San Francisco, California: Jossey-Bass Publishers, 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

Koestenbaum, Peter. Leadership: The Inner Side of Greatness : A Philosophy for Leaders. First edition. Jossey-Bass Publishers, 1991.