TY  - DATA
AU  - Puchta,Herbert
TI  - American More 4 : Student Book.
U1  - 428.34 
PY  - 2010///
CY  - New York, NY
PB  - Cambridge University Press
KW  - ENGLISH LANGUAGE
KW  - INGLES
KW  - IDIOMAS
N1  - Complemento del Libro American More 1 Student's Book
ER  -