1. Altbach, P. G., & Knight, J. (2007). The internationalization of higher education: Motivations and realities. Journal of Studies in International Education, 11(3/4), 290–305.
2. Altbach, P. G., Reisberg, L., & Rumbley, L. E. (2009). Trends in global higher education: Tracking an academic revolution. Paris: UNESCO.
3. American Council on Education (ACE). (2007). At home in the world: Bridging the gap between internationalization and multicultural education. Washington, DC: Author.
4. Ansre, G. (1979). Four rationalizations for maintaining European languages in education in Africa. African Languages, 5(2), 10–17.
5. Appiah, K. A. (2006). Cosmopolitanism: Ethics in a world of strangers. New York: W. W. Norton.