Gill, Roger. Theory and practice of leadership / [manuscript] / Roger Gill. - London: : Sage Publications, 2011. - xviii, 532 pp. ; 25 cm. ISBN: 9781849200240 (pbk) LCCN: 2011929091 Subjects--Topical Terms: Leadership. LC Class. No.: JQ3099.B38 / A23 1994 Dewey Class. No.: 966.9/82053