References
- Becker , H. S. 1963 . Outsiders , New York : Free Press .
- Goffman , E. 1963 . Stigma , Englewood Cliffs, NJ : Prentice-Hall .
- Lee , M. Y. , Abd-Ella , M. and Burke , L. A. 1981 . Needs of foreign students from developing nations at U.S. colleges and universities , Washington, DC : National Association for Foreign Student Affairs .