The Social psychology of groups /

por Thibaut, John W., Thibaut, John W., Kelley, Harold H.
Publicado 1961

Communication and persuasion : psychological studies of opinion change /

por Hovland, Carl Iver 1912-, Hovland, Carl Iver 1912-, Janis, Irving Lester 1918-, Kelley, Harold H.
Publicado 1953