TY  - BOOK
AU  - McCarthy,Michael
AU  - McCarten,Jeanne
AU  - Sandiford,Helen
TI  - Touchstone: Workbook
SN  - 9780521666107
U1  - 428.2407 
PY  - 2005///
CY  - New York
PB  - Cambridge University Press
KW  - INGLES - ENSEÑANZA
N1  - 18th Printing 2012; índice
ER  -