2Mitchell, T. F. 1975. Principles of Firthian Linguistics. London: Longman.
3Renouf, A. and Sinclair, J. 1991. Collocational frameworks in English. In Karin Aijmer and Bengt Altenberg, eds., 128 - 143.
4Sinclair, J. 1966. Beginning the study of lexis. In C. E. Bazell, J. C. Catford, M.A.K. Halliday, and R. H. Robins, eds., In Memory of J. R. Firth. 410-430. London: Longrman.
5Sinclair, J.1991. Corpus, Concordance, Collocation. Oxford: Oxford University Press.
7Aijmer, Karin and Altenberg, Bengt, eds. English Corpus Linguistics: Studies in Honour of Jan Svartvik.London: Longman.
8Baker, M., G. Francis and E. Tognini-Bondli, eds. Text and Technology: In Honour of John Sinclair.Amsterdam: John Benjanmins.
9Clear, J. 1993. From Firth principles: computational tools for the study of collocation. In M. Baker, G.Francis, and E. Tognini-Bonelli, eds., 271- 292.
10Firth, J. R. 1957. Papers in Linguistics 1934- 1951. London: Oxford University Press.
