American Speech Language Hearing Association. (1971). Language speech and hearing services in schools. American Speech Language Hearing Association.
Chicago-viite (17. p.)American Speech Language Hearing Association. Language Speech and Hearing Services in Schools. Rockville, Md: American Speech Language Hearing Association, 1971.
MLA-viite (9. p.)American Speech Language Hearing Association. Language Speech and Hearing Services in Schools. American Speech Language Hearing Association, 1971.
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