Kotter, J. P. (1990). A force for change: How leadership differs from management. Free Press.
Chicago-referens (17:e uppl.)Kotter, John P. A Force for Change: How Leadership Differs from Management. New York: Free Press, 1990.
MLA-referens (9:e uppl.)Kotter, John P. A Force for Change: How Leadership Differs from Management. Free Press, 1990.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.