1. Allport, G. W. (1954). The nature of prejudice. Addison-Wesley.
2. Back, L., Sinha, S., & Bryan, C. (2012). New hierarchies of belonging. European Journal of Cultural Studies, 15(2), 139–154.
3. Bogardus, E. S. (1933). A social distance scale. Sociology and Social Research, 17, 265–271.
4. Bonilla-Silva, E. (2018). Racism without racists: Colour-blind racism and the persistence of racial inequality in America (5th ed.). Rowman & Littlefield.
5. Brown, R., & Paterson, J. (2016). Indirect contact and prejudice reduction: Limits and possibilities. Current Opinion in Psychology, 11, 20–24.