McGregor, Douglas. The human side of enterprise : 25th anniversary printing / Dou glas McGregor ; foreword by Warren Bennis. - New York : McGraw-Hill, c1985. - x, 246 p. : ill. ; 21 cm. Includes bibliographicalm references. ISBN: 0070450986 LCCN: 85-061506 Subjects--Topical Terms: Personnel management. Dewey Class. No.: 658.3