Kotter, J. P. (1990). A force for change: How leadership differs from management. Free Press ; Collier Macmillan.
Cita Chicago (17th ed.)Kotter, John P. A Force for Change: How Leadership Differs from Management. New York : London: Free Press ; Collier Macmillan, 1990.
Cita MLA (8th ed.)Kotter, John P. A Force for Change: How Leadership Differs from Management. Free Press ; Collier Macmillan, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.