1. BARLOW, D., HAYES.S. and NELSON, R. (1984) The Scientist Practitioner (New York: Pergamon Press)
2. BERNHARDT, B. (1990) Application of nonlinear phonological theory to intervention with six phonologically disordered children (Unpublished PhD thesis, University of British Columbia)
3. EDWARDS, M.L., and BERNHARDT.B. (1973) Phonological analyses of the speech of Jour children with language disorders (Unpublished manuscript, the Scottish Rite Institute for Childhood Aphasia, Stanford University)
4. ELBERT, M., and GIERUT, J. (1986) Handbook of Clinical Phonology (San Diego, CA: College-Hill Press)
5. GOLDMAN, R. FRISTOE, M., and WOODCOCK, R. (1974) Goldman—Fristoe—Woodcock Diagnostic Auditory Discrimination Battery (Circle Pines, MN: American Guidance Service)