TY  - BOOK
AU  - Wardhaugh,Ronald
TI  - An introduction to sociolinguistics
SN  - 9781405186681
U1  - 306.44 
CY  - EE.UU.: 
PB  - Offices, 2013
KW  - ELL
N1  - Bibliografía: p; Languages, dialects, and varieties, pidgins and creoles, codes, speech communities, language variation; Comunicación; Comunicación
ER  -