TY  - BOOK
AU  - Wardhaugh,Ronald
TI  - An introduction to sociolinguistics 
SN  - 0631142711 
AV  - P40 
PY  - 1986///
CY  - New York
PB  - Blackwell
KW  - Sociolinguistics
N1  - Includes bibliographical references and index
ER  -