Leadership enhancing the lessons of experience / Hughes, Richard L.; Ginnett, Robert C.; Curphy, Gordon J. - 5th ed. - New York : McGraw-Hill Education, 2006. - xvi, 592 p.: ill.; 23.2 cm. Includes references, name index, subject index ISBN: 0071253149 Dewey Class. No.: C 158 H87 2006