TY  - BOOK
AU  - Platt,John T.
AU  - Platt,Heidi K.
TI  - The social significance of speech: an introduction to and workbook in sociolinguistics 
SN  - 0444109722 :
U1  - 301.21 
PY  - 1975///
CY  - New York
PB  - North-Holland Pub. Co.
KW  - Sociolinguistics
ER  -