Yukl Gary Leadership in organizations. Yukl Gary - 7 - New Jersey Prentice Hall 2010 - xvi,628p cm. ISBN: 7154 Standard No.: 103031 Source: 77, 17/11/2009, Aviva Books Company Textual Subjects--Topical Terms: Buisness Economics Dewey Class. No.: X:8:(S:44), Q0