TY  - BOOK
AU  - Richards,Jack C.
TI  - Error analysis 
SN  - 0582550440
U1  - 410 
PY  - 1974///
CY  - London
PB  - Longman
KW  - Language and languages
KW  - Speech errors
KW  - Applied linguistics
N1  - Includes indexes
ER  -