TY  - BOOK
AU  - Withrow,Jean
TI  - Effective writing: writing skills for intermediate studentsof american english : student's book 
SN  - 0521316081
AV  - PE1408 W58
PY  - 1987///
CY  - Nueva York
PB  - Cambridge University Press
KW  - Inglés
KW  - Retórica
ER  -