The effect of collective self-esteem and group membership on aggression of "third-party victims"
 Artikel Jurnal
Shaw, Marvin E.
Group dynamics: the psychology of small group behavior
McGraw-Hill, 1981
 Buku Teks SO
The psychology of group perception: Perceived variability, entitativity, and essentialism
edited by Vincent Yzerbyt, Charles M. Judd and Olivier Corneille
Psychology Press, 2004
 Buku Teks SO
Collins, Barry E.
A Social psychology of group processes for decision-making
John Wiley & Sons, 1964
 Buku Teks SO
Blackwell handbook of social psychology: group processes
edited by Michael A. Hogg and R. Scott Tindale
Blackwell, 2003
 Buku Teks SO