Não informado. (1971). Language Speech and Hearing Services in Schools. American Speech-Language-Hearing Association.
Chicagoスタイル(17版)引用形式Não informado. Language Speech and Hearing Services in Schools. Washington: American Speech-Language-Hearing Association, 1971.
MLA(8版)引用形式Não informado. Language Speech and Hearing Services in Schools. American Speech-Language-Hearing Association, 1971.
警告: この引用は必ずしも正確ではありません.