Hughes, Richard L. Leadership / Richard L. Hughes, Robert C. Ginnett, Gordon J. Curphy. - 5th. ISE ed. - Boston, McGraw-Hill Education, 2006. - xvi, 592 p. : ; 22 cm. ISBN: 0071244530 Subjects--Topical Terms: Leadership. Dewey Class. No.: 303.34 HU LE