Sayles, Leonard R., Leadership what effective managers really do ... and how they do it Leonard R. Sayles. - New York McGraw-Hill c1979. - xvi, 251 p. 24 cm. - McGraw-Hill series in management . Includes bibliographical references and index. ISBN: 0070550123. 0070550115 LCCN: 78011058 Subjects--Topical Terms: ManagementLeadership LC Class. No.: HD31 / .S324 Dewey Class. No.: 658.4