GARCIA, O., (1992). Societal bilingualism and multilingualism (mimeo). New York: City University of New York.
2.
GOPINATHAN, S., PAKIR A., HO W.K., & VANITHAMANI S. (Eds.), (1994). Language, society, and education in Singapore: Issues and trends. Singapore: Times Academic Press.
3.
Li W., VANITHAMANI S., & NG, J. L. H., (1996). Language shift in the Teochew community in Singapore: A single domain analysis. Unpublished MS.
4.
SCHMIED, J., (1991). English in Africa: An introduction. London: Longman.