Skinner, P. H., & Shelton, R. L. (1985). Speech, language, and hearing: Normal processes and disorders (2nd ed.). Wiley.
Chicago-viite (17. p.)Skinner, Paul H., ja Ralph L. Shelton. Speech, Language, and Hearing: Normal Processes and Disorders. 2nd ed. New York: Wiley, 1985.
MLA-viite (9. p.)Skinner, Paul H., ja Ralph L. Shelton. Speech, Language, and Hearing: Normal Processes and Disorders. 2nd ed. Wiley, 1985.
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