TY  - BOOK
AU  - Bayley Robert
AU  -  Lucas Ceil
TI  - Sociolinguistic variation :  Theories, methods, and applications
SN  - 9780521691819 (pbk)
U1  - P:(Y), P7 
PY  - 2007///
CY  - Cambridge
PB  - Cambridge University Press UK      
KW  - LINGUISTICS
ER  -