Cohen, Arthur Robert, 1927-1963 Attitude change and social influence / by Arthur R. Cohen ; foreword by Leon Festinger and Philip Zimbardo. - New York : Basic Books, 1964 - xv, 156 p. ; 22 cm. 1st copy of this book is a photocopy version Bibliography : p. 141-149 Subjects--Topical Terms: Attitude changeInfluence (Psychology)