1. Bavelas, J. B., Black, A., Chovil, N. and Mullett, J. (1990) Equivocal Communication, California: Sage.
2. Caldas-Coulthard, C. R. (1994) `On reporting reporting: the representation of speech in factual and factional statements' in M. Coulthard (ed.) Advances in Written Text Analysis, London: Routledge, 295-308.
3. Coulthard, M. (1992) `Forensic discourse analysis' in M. Coulthard (ed.) Advances in Spoken Discourse Analysis, London: Routledge, 242-57.
4. Coulthard, M. (1999) `Forensic application of linguistic analysis' in D. Canter and L. Alison (eds) Interviewing and Deception, Aldershot: Dartmouth 107-25.
5. Dana-Kirby, L. (1997) `Discerning truth from deception: is criteria-based content analysis effective with adult statements?', PhD thesis, University of Oregon.