La Piere, R. T., & Farnsworth, P. R. (1949). Social psychology. McGraw-Hill.
Cita Chicago (17th ed.)La Piere, Richard Tracy, i Paul Randolph Farnsworth. Social Psychology. New York: McGraw-Hill, 1949.
Cita MLA (9th ed.)La Piere, Richard Tracy, i Paul Randolph Farnsworth. Social Psychology. McGraw-Hill, 1949.
Atenció: Aquestes cites poden no estar 100% correctes.