Bright, W. (ed.) (1992) The Oxford International Encyclopaedia of Linguistics. New York: Oxford University Press.
2.
Crystal, D. (1987) The Cambridge Encyclopaedia of Language. Cambridge: Cambridge University Press.
3.
Gomes de Matos, F. (1991) `Language Learners' Rights: Probing a New Frontier in Language Learning', in R. Grebing (ed.) Grenzenloses Sprachenlernen: Festschrift für Reinhold Freudenstein. Berlin: Cornelsen and Oxford University Press.
4.
Grabe, W. and Kaplan, R. (1991) Introduction to Applied Linguistics. Reading, MA: Addison-Wesley.
5.
van Dijk, Teun (1990) Discourse and Inequality. University of Amsterdam, Program of Discourse Analysis.
