7Tajel H. Differentiation between social groups: Studies in the social psychology of intergroup relations. Lon- don: Academic Press, 1978.
8Sellers R, Smith M, Shehon J, et al. The multidi- mensional model of racial identity: A reconceptualiza- tion of African American racial identity. Personality and Social Psychology Review, 1998, 2:18-39.
9Samia C, Bernie W, Bob H. Interlevel influences on the reconstruction of professional role identity. Acade- my of Management Journal, 2007, 50:1515-1539.
10Deaux K. Reconstructing social identity. Personality and Social Psychology Bulletin, 1993, 19:4-12.
