TY  - BOOK
AU  - Gumperz, John J.
TI  - Directions in sociolinguistics / 
SN  - 0-631-14987-2
U1  - PObY 
PY  - 1981///
CY  - New York : 
PB  - Basil Blackwell , 
KW  - Linguistics
ER  -