TY  - BOOK
AU  - Wright,Tony
TI  - Roles of teachers and learners
T2  - Language Teaching a Scheme for Teacher Education 
SN  - 0-19-437133-6
U1  - 418.007/W936r 
PY  - 1987///
CY  - [Oxford, Gran Bretaña] 
PB  - Oxford University Press, c1987
KW  - LENGUAJE Y LENGUAS - ENSEÑANZA
N1  - Bibliografía: p. [161]-164
ER  -