TY  - BOOK
T1  - How languages are learned
A1  - Lightbown, Patsy M.
A2  - Spada, Nina
LA  - English
PP  - Oxford
PB  - Oxford University Press
YR  - 1993
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217602663444
OP  - 135
CN  - P 51 L54
SN  - 0194371697
KW  - Language and languages : Study and teaching.
ER  -