(1931). Social psychology. Duke Univ.
Chicago Style (17th ed.) ZitazioaSocial Psychology. Oxford: Duke Univ, 1931.
MLA (9th ed.) ZitazioaSocial Psychology. Duke Univ, 1931.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
(1931). Social psychology. Duke Univ.
Chicago Style (17th ed.) ZitazioaSocial Psychology. Oxford: Duke Univ, 1931.
MLA (9th ed.) ZitazioaSocial Psychology. Duke Univ, 1931.