TY  - BOOK
AU  - Preston,Dennis R.
TI  - Sociolinguistics and second language acquisition
SN  - 0631152458
PY  - 1989///
CY  - Oxford
PB  - Basil Blackwell
KW  - Language and languages
KW  - Variation
KW  - Second language acquisition
KW  - Study and teaching
N1  - pages 288-318
ER  -