References
- Calculator S., Bedrosian J. Communication Assessment and Intervention for Adults with Mental Retardation. Taylor and Francis, London 1988
- Coupe J., Goldbart J. Communication Before Speech. Croom Helm Ltd, Beckenham 1988
- Dobson S., Dodsworth S., Miller M. Recognising the smiles that cry for help. Nursing Times 1997; 93(no. 13)60–62
- Nind M., Hewett D. Access to Communication. David Fulton Publishers, London 1994
- Sontag S. On Photography. Penguin, London 1979
- Van der Gaag A., Dormandy P. Communication and Adults with Learning Disabilities. Winslow Press, London 1993