5Adiv,E. Analysis of Second Language Performance in an Early French Immersion Program: Grade 3,4, and 5. Montreal, Quebeck; Ministry of Education. 1980.
6Bild, E. & M. Swain. Minority language students in a French immersion program: their French proficiency. Journal of Multilingual and Multicultural Development 3:325 -347. 1989.
7Garey, S. Reflection on the decade of immersion. The Canadian Modern Language Review 43:112 - 135. 1984.
8Genesee,F. Second language learning through immersion; a review of U. S. program. Review of Educational Research 27: 274 - 291.1985.
9Learning through two languages: Studies of Immersion and Bilingual Education. Newsbury House Publishers. 1987.
10Krashen, S. D. Principles and practices of second language acquisition. Oxford: Pergamon. 1982.