References
Baker, C. (2006). Foundations of bilingual education and bilingualism. (4th Ed.). Clevedon, UK: Multilingual Matters.
Baker, C. & Prys Jones, S. (1998). Encyclopedia of bilingualism and bilingual education. Clevedon, UK: Multilingual Matters.
Holmes, J. (2001). Introduction to sociolinguistics (2nd Ed.). London: Longman.
