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  - 978-0-521-67543-7
U1  - 428.24 M96e 
PY  - 2007///
CY  - Cambridge
PB  - Cambridge University Press
N1  - Inclui CD-ROM: A0476 e A0477
ER  -