Halliday, M.A.K & Hassan, R. (1976). Cohesion in English, London: Longman.
Halliday, M.A.K & Hassan, R. (1989). Language, context and text: Aspect of Language in a social-semiotic perspective, Oxford: OUP.
Halliday, M.A.K. (2002). Linguistic studies of text and Discourse, London & New York: continuum.
Moles, Eleanor Elizabeth. (1928). The psychology of Kurt Koffka with special references to the development of mental attitudes, Boston University.
Noth, w. (1990). Handbook of semiotics: Advances in semiotics, general editor: Sebeok, Th. A. Bloomington & Indianapolis: Indiana University Press.
Richards, J. C, Platt, j. & Platt, H. (1992). Longman Dictionary of Language Teaching and Linguistics (2nd edition). UK: Longman.
Riffaterre, M. (1983). Text Production. New York: Columbia University Press.