TY  - BOOK
AU  - Richards,Jack C.
AU  - Hull,Jonathan
TI  - New interchange: english for international communication : workbook 
SN  - 0521628776 (workbook 1A)
U1  - 428 20
PY  - 1997///,
PY  - 1998///
CY  - Cambridge, New York, Melborne
PB  - Cambridge University Press
KW  - unescot
KW  - INGLES
KW  - COMUNICACION
KW  - LENGUA EXTRANJERA
ER  -