American Speech and Hearing Association & American Speech-Language-Hearing Association. (1971). Language, speech & hearing services in schools. American Speech and Hearing Association.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)American Speech and Hearing Association ба American Speech-Language-Hearing Association. Language, Speech & Hearing Services in Schools. Washington, D.C.: American Speech and Hearing Association, 1971.
MLA -ийн эшлэл (9 дэх хэвлэлт)American Speech and Hearing Association ба American Speech-Language-Hearing Association. Language, Speech & Hearing Services in Schools. American Speech and Hearing Association, 1971.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.