3Barnett, Adrian. "Bright Sparks" in New Scientist. 18, Dec.Vol. 164. No. 2217, 1999.
4Bloor, Meriel. "Lexical and grammatical Choices in Innovative Language Use in Computer Science", in Antonia, S. M. and Ronald, Carter. (eds). Linguistic Choices Across Genres. Amsterdam: John Benjamins Publishing Company. 1997.
5Crystal. D. & Davy, D. Investigating English Style. London:Longman. 1969.
6Eggins, Suzanne. An Introduction to Systemic-Functional Linguistics. London: Pinter Publishers Ltd. 1994.
7Fowler, Roger. Language in the News. London and New York:Routledge. 1991.
8Freeborn, Dennis. Varieties of English. London: Macmillan Education Ltd. 1986.
9Goorich, Peter. Legal Discourse. London: The Macmilan Press Ltd. 1987.
10Halliday, M. A. K. Introduction to Functional Grammar. London: Edward Arnold. 1985.