TY  - BOOK
AU  - Wright,Tony
TI  - Roles of teachers and learners
T2  - Language Teaching: A Scheme for Teacher Education
SN  - 0194371336 (pbk.)
U1  - 428.2407 
PY  - 1987///
CY  - Oxford
PB  - Oxford University Press
KW  - Language and languages - Study and teaching - Foreign speakers
ER  -