Theories and Methods Gray, Mel 1951- Webb, Stephen A. 1956- text London Sage Publications 2013 2nd Edition. monographic xv, 304 pages ; 24 cm edited by Mel Gray, Stephen A. Webb. Includes bibliographical references (pages 253-295) and index. Social service 361.3 9781446208595 (hbk.) 1446208591 (hbk.) 1446208605 (pbk.) 9781446208601 (pbk.)