American Speech and Hearing Association & American Speech-Language-Hearing Association. (1971). Language, speech & hearing services in schools. American Speech and Hearing Association.
Cita Chicago (17th ed.)American Speech and Hearing Association i American Speech-Language-Hearing Association. Language, Speech & Hearing Services in Schools. Washington, D.C.: American Speech and Hearing Association, 1971.
Cita MLA (9th ed.)American Speech and Hearing Association i American Speech-Language-Hearing Association. Language, Speech & Hearing Services in Schools. American Speech and Hearing Association, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.