TY  - BOOK
AU  - Gumperz John J
TI  - Language in social groups
T2  - Language Science and National Development Series. Ed by Anwar S Dil
U1  - "Y:3(P).2.N7, L1" 
PY  - 1971///
CY  - California
PB  - Stanford University Press     
KW  - Sociology of Language
N1  - Bibliography P 345-50
ER  -