La Piere, R. T., & Farnsworth, P. R. (1949). Social psychology. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)La Piere, Richard Tracy, agus Paul Randolph Farnsworth. Social Psychology. New York: McGraw-Hill, 1949.
Lua MLA (9ú heag.)La Piere, Richard Tracy, agus Paul Randolph Farnsworth. Social Psychology. McGraw-Hill, 1949.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.