1. Abbott, K. A. (1970). Harmony and individualism. Taipei: The Orient Culture Science.
2. Amir, Y. (1976). The role of intergroup contact in change of prejudice and race relations. In P. A. Katz (Ed.), Towards the elimination of racism. New York: Perga-mon.
3. Aron, A., McLaughlin-Volpe, T., Mashek, D., Lewandowski, G., Wright, S. C., & Aron, E. N. (2005). Including others in the self. In W. Stroebe & M. Hewstone (Eds.), European review of social psychology (Vol. 15, pp. 101–132). Hove: Psychology Press.
4. Bastian, B., Denson, T., & Haslam, N. (2013). The role of dehumanization and moral outrage in retributive justice. PLoS One, 8(4), e61842.
5. Bramfield, T. (1946). Minority problems in the public schools. New York: Harper & Brothers.