1. Singerman, B. , Reidner, E. & Folstein, M. (1980). Emotional disturbance in hearing clinic patients. British Journal of Psychiatry, 137, 58–62.
2. Davis, A.C. (1997). Epidemiology. In D. Stephens , (Ed.). Adult audiology, Volume 2, Scott Brown's Otolaryngology (6th edn.) (pp. 2/3/1–2/3/38). Oxford: Butterworth-Heinemann.
3. Andersson, G. & Willebrand, M. (2003). What is coping? A critical review of the construct and its application in audiology. International Journal of Audiology, 42, S97–103.
4. McKenna, L. (1997). Audiological disorders: psychological state and cognitive functioning. Unpublished Doctoral Dissertation. London: The City University.
5. Skinner, B.F. & Vaughan, M.E. (1983). Enjoy old age. A program for self-management. London: Hutchinson.