TY  - GEN
AU  - MURPHY, Raymond
TI  - Essential grammar in use: a self-study reference and practice book for elementary students
of english; with answers
SN  - 0-521-52932-8
U1  - 428.24 M96e 
PY  - 1998///
CY  - New York
PB  - Cambridge University Press
N1  - Inclui CD-ROM
ER  -