TY  - BOOK
AU  - Richards, Jack C.
TI  - Error Analysis: perspectives on second language acquisition 
SN  - 0582550440 :
U1  - 418 
PY  - 1974///
CY  - Harlow, England
PB  - Longman Singapore Publishers Pte ltd
KW  - Linguistics
KW  - Language and languages Study and teaching
N1  - includes bibliography
ER  -