Crisp, R. J. (2010). Essential social psychology (2nd.). Sage.
Chicago Style aipamenaCrisp, Richard J. Essential Social Psychology. 2nd. New Delhi: Sage, 2010.
MLA aipamenaCrisp, Richard J. Essential Social Psychology. 2nd. Sage, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.