TY  - BOOK
AU  - Trask, R.L.  .
TI  - Key concepts in language and linguistics / 
SN  - 0-415-15742-0
U1  - P111 
PY  - 2004///
CY  - New York : 
PB  - Routledge , 
KW  - Linguistics- Dictionaries
ER  -