Lamoreaux, Marika J. 2008. “Reducing Intergroup Bias: When Contact Is Instrumental for Achieving Group Goals”. University of Delaware. Referenced from search.proquest.com: Reducing intergroup bias: When contact is instrumental for achieving group goals.

Stewart, Brandon D., and Keith Payne. 2008. “Bringing Automatic Stereotyping Under Control: Implementation Intentions As Efficient Means of Thought Control”. Personality and Social Psychology Bulletin 34. SAGE Publications: 1332–1345. doi:10.1177/0146167208321269.