1. Aboud, F. E., and A. B. Doyle. 1996. Does talk foster prejudice or tolerance in children? Canadian Journal of Behavioural Science 28(3): 161–171.
2. Alba, R., and V. Nee. 2003. Remaking the American mainstream: Assimilation and contemporary immigration. Cambridge, MA: Harvard University Press.
3. Allport, G. W. 1979. The nature of prejudice, 25th anniversary ed. Reading: Addison-Wesley. (Original work published 1954)
4. Appiah, K. A. 2006. Cosmopolitanism: Ethnics in a world of strangers. New York: Norton.
5. Apter, D. E. 1977. Political life and cultural pluralism. In Pluralism in a democratic society, ed. M. M. Tumin and W. Plotch, 58–91. New York: Praeger.