Kotter, John P. A force for change : how leadership differs from management / John P. Kotter. - New York : London : Free Press ; Collier Macmillan, c1990. - xi, 180 p. ; 25 cm. Includes bibliographical references and index. ISBN: 0029184657 Subjects--Topical Terms: Leadership.Industrial management. LC Class. No.: HD57.7 / .K68 1990