Hughes, Richard L. Leadership : enhancing the lessons of experience / by Richard L. Hughes, Robert C. Ginnett and Gordon J. Curphy . - 9th ed. - new york : McGraw Hill Education. c2015. - xvi,768 p. : ill. ; 22 cm. Includes index. ISBN: 9789355320704 9355320701 Subjects--Topical Terms: Leadership Dewey Class. No.: 303.394 / HUL