Freedman, Jonathan L. Social psychology / Jonathan L. Freedman, David O. Sears, J. Merrill Carlsmith. - 4th ed. - Englewood Cliffs, N.J. : Prentice-Hall, 1981. - 686 p. ; 24 cm. Includes indexes and bibliography : p. 646-674. ISBN: 013817783x (Hardcover) Subjects--Topical Terms: Social psychology.