References
- Scripture , E. W. 1923 . The Study of English Speech by New Methods of Phonetic Investigation. , 2 London : Oxford University Press .
- Scripture , B. W. 1912 . Stuttering and Lisping. , N. Y. : Macmillan .
- Stetson , R. H. 1928 . “Motor Phonetics.” . In Archives Neerlandaises de Phonetique Experimental , Vol. V. III , 16 La Societé Hollandaise des Science à Harlem .