Northouse, Peter Guy. Leadership : theory and practice / Peter G. Northouse. - 6th ed. - Thousand Oaks : SAGE, c2013. - xviii, 485 p. : ill. ; 23 cm. ISBN: 9781452203409 (pbk.) 1452203407 (pbk.) LCCN: 2011049043 Subjects--Topical Terms: Leadership.Leadership--Case studies. Dewey Class. No.: 303.3/4