Dowling, William F. How managers motivate : the imperatives of supervision / William F. Dowling, Leonard R. Sayles. - 2d ed. - New York : McGraw-Hill, c1978. - xii, 450 p. : ill. ; 24 cm. Includes bibliographies and index. ISBN: 007017668X LCCN: 77022788 Subjects--Topical Terms: Supervision of employees.Supervisors. Dewey Class. No.: 658.314 / DOH 1978