TY  - BOOK
AU  - Labov,William
TI  - Principles of linguistic change
T2  - Language in society 
SN  - 9780631179160 (v. 2.) :
AV  - P142.L33 2010 
PY  - 2010///.
CY  - Oxford : 
PB  - Wiley- Blackwell
KW  - Linguistic change
N1  - Includes bibliographical references and index; v. 2. Social factors
ER  -