TY  - BOOK
AU  - Richards,Jack C.
AU  - Hull,Jonathan
TI  - New interchange: english for international communication [Workbook 2] 
SN  - 0-521-62859 8
PY  - 2001///
CY  - New York
PB  - Cambridge University Press
KW  - INGLES
KW  - -ENSEÑANZA
ER  -