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. : illus., forms. ; 23 cm. Includes bibliographies. ISBN: 007017654X (hard back) LCCN: 70143447 Subjects--Topical Terms: Supervision of employees.Supervisors. LC Class. No.: HF5549 / .D63 Dewey Class. No.: 658.314 Dow 1971