Hughes, Richard L. Leadership enhancing the lessons of experience Richard L. Hughes, Robert C. Ginnett and Gordon J. Curphy. - 2nd ed. - New York McGraw-Hill Book 1996. - 609. p. : ill. ; 24 cm. p. 549-593. ISBN: 0256162123 RM296.55 LCCN: 95-41518 Subjects--Topical Terms: Leadership.