TY  - BOOK
AU  - Frank, Marcella
TI  - Modern english : a practical reference guide
SN  - 0-13-5940002-8
CY  - New Jersey
KW  - /LINGUISTICA/INGLES-USO; EXPRESION ESCRITA/MAESTRIA//REVISADO
N1  - Includes Appendix p. 379-397
ER  -