Sayles, Leonard R. Leadership : what effective managers really do ... and how they do it / Leonard R. Sayles. - New York : McGraw-Hill, c1978. - xvi, 251 p. ; 24 cm. - McGraw-Hill series in management . Includes bibliographical references and index. ISBN: 0070550123. 0070550115 LCCN: 78011058 Subjects--Topical Terms: Management.Leadership. Dewey Class. No.: 658.4092 / SAL 1978