References
- Armstrong M., Ainley M. South Tyneside Assessment of Phonology. STASS Publications, Ponteland 1986
- Armstrong M., Ainley M. South Tyneside Assessment of Syntactic Structures. STASS Publications, Ponteland 1986
- Howard S. J., Perkins M. R., Nicolson R. (1996) VISUAL-CLP: an interactive multimedia tutorial in clinical linguistics and phonetics. Paper presented at the 5th Conference of the International Clinical Phonetics and Linguistic Association (ICPLA), Munich, September, 1996
- Case Studies in Clinical Linguistics, M. R. Perkins, S. J. Howard. Whurr, London 1995
- Renfrew C. The Bus Story. Published by the editor second edition, Oxford 1991