TY  - BOOK
AU  - Labov, William
TI  - Principles of linguistic change, Vol. 2:  social factors
AV  - P142 .L33 2001
PY  - 2001///
CY  - Oxford : 
PB  - Blackwell, 
KW  -  
KW  - Languages
KW  - Linguistics
ER  -