Bass, Bernard M. Transformational leadership / Bernard M. Bass, Ronald E. Riggo. - 2nd ed. - Mahwah, NJ : Lawrence Erlbaum Associates, 2006. - xiii, 281 p. : ill. ; 24 cm. Includes bibliograpical references (p. 237-263) and index ISBN: 0805847626 (pbk) Subjects--Topical Terms: Leadership.Organisational change. Dewey Class. No.: 658.4092