Allen, Vernon L., and David A. Wilder. 1979. “Group Categorization and Attribution of Belief Similarity”. Small Group Behavior 10: 73-80. doi:10.1177/0090552679101006. Reference Link
Boyanowsky, Ehor O., and Vernon L. Allen. 1973. “Ingroup Norms and Self-Identity As Determinants of Discriminatory Behavior”. Journal of Personality & Social Psychology 25: 408-18. doi:10.1037/h0034212. Reference Link
