TY  - BOOK
AU  - Murphy, Raymond
TI  - Essential grammar in use 
SN  - 978-0-521-67581-9.
AV  - PE1128.M773 
CY  - New York
KW  -  English language--Grammar--Problems
KW  -  English language--Study and teaching--Foreign speakers
KW  -  English to speakers of other languages
KW  -  etc
KW  -  exercises
KW  - English language
KW  - English language--Textbooks for foreign speakers
ER  -