TY  - BOOK
AU  - Burke Peter
AU  -  Porter Roy
TI  - Social history of language
T2  - Cambridge Studies in Oral and Literate Culture.12
U1  - Y:3(P), M7 
PY  - 1987///
CY  - London
PB  - Cambridge University Press        
KW  - Sociology of Language
N1  - Bibliography P 210-14
ER  -