TY  - BOOK
AU  - Scheraga,Mona
TI  - Practical english writing skills: a complete guide to writing english 
SN  - 0-8442-7591-3
AV  - PE1408 S244
PY  - 1990///
CY  - Lincolnwood, Ill.
PB  - National Textbook
N1  - Incluye bibliografia
ER  -