TY  - BOOK
AU  - Mak Halliday and Angus Mcintosh 
AU  - Halliday, Mak    Mcintosh, Angus 
TI  - Lingnistic seiences and language teachin 
U1  - 410, HAL  
PY  - 1970///
CY  - London
PB  - Longman
ER  -