Robert T. Ross
发表
Frederic B. Fitch,
Marshall Hall,
Carl I. Hovland,
1940
.
Frederic B. Fitch,
Clark L. Hull,
Robert T. Ross,
1941
.
Robert T. Ross,
F. B. Fitch,
C. L. Hull,
1940
.
Robert T. Ross,
F. B. Fitch,
C. L. Hull,
1941
.