TY  - BOOK
AU  - Lightbown,Patsy
AU  - Spada,Nina Margaret
TI  - How languages are learned
SN  - 9780194422246
AV  - P118.S732.H695 2006 
PY  - 2006///
CY  - Oxford
PB  - Oxford University Press
KW  - Language acquisition
KW  - Children
KW  - Language
KW  - Language and languages
KW  - Study and teaching
N1  - Previous edition: 1999; 2; 2
ER  -