Dowling, William F. How managers motivate: the imperatives of supervision / [by] William F. Dowling, Jr. [and] Leonard R. Sayles. - New York : McGraw-Hill, 1971 - 436 p.: ill.; 23 cm. Includes bibliographies. ISBN: 007017654X LCCN: 70143447 Subjects--Topical Terms: Supervision of employees.Supervisors. Dewey Class. No.: 658.314 / DOH 1971