(1988). Language development in schools for children with severe learning difficulties / John Harris.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Language Development in Schools for Children with Severe Learning Difficulties / John Harris. 1988.
MLA -ийн эшлэл (9 дэх хэвлэлт)Language Development in Schools for Children with Severe Learning Difficulties / John Harris. 1988.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.