Não informado. (1971). Language Speech and Hearing Services in Schools. American Speech-Language-Hearing Association.
Cytowanie według stylu Chicago (wyd. 17)Não informado. Language Speech and Hearing Services in Schools. Washington: American Speech-Language-Hearing Association, 1971.
Cytowanie według stylu MLA (wyd. 8)Não informado. Language Speech and Hearing Services in Schools. American Speech-Language-Hearing Association, 1971.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..