TY  - BOOK
AU  - Gumperz,John J., x
AU  - x
TI  - Language in social group : x
SN  - 0804707987
U1  - 400/G974 l  
PY  - 1971///
CY  - California
PB  - Stan ford Univ.Press
KW  - Languages and languages
KW  - Language and language
N1  - Includes
ER  -