References
Baker, C. 1988 Key Issues in Bilingualism and Bilingual Education. Clevedon, Philadelphia: Multilingual Matters LTD.
Crawford, J. 2004. Bilingual Education: History, Politics, Theory, and Practice. 5th ed. Los Angeles: Bilingual Educational Services.
Cummins, J. 1989. Empowering Minority Students. Sacramento: California Association for Bilingual Education.
Krashen, S. D. 1996. Under Attack: The Case Against Bilingual Education. Culver City, Calif.: Language Education Associates.
Schiffman, H.F. 1996 Linguistic Culture and Language Policy. London, New York: Routledge.