References
- Abercrombie David. Elements of General Phonetics. Edinburgh University Press, Edinburgh 1967
- Beresford R., Grady P. A. E. An Investigation into the apparently unintelligible speech of a ten-year-old boy. Speech Pathology. Diagnosis: Theory and Practice. Livingstone, Edinburgh 1967, Supplement to the British Journal of Disorders of Communication
- Haas William. Phonological analysis of a case of dyslalia. J. Speech Hear. Disorders 1963; 28: 239
- Higgs Jo, Ann W. The Articulation Test as a Linguistic Technique, (forthcoming)
- International Phonetic Association. The Principles of the International Phonetic Association. London 1965
- Renfrew Catherine E. A measurement of attainment in articulation. Speech 1950; 14: 36
- Renfrew Catherine E. Renfrew Articulation Attainment Test. 1964, Published privately