TY  - BOOK
AU  - Gershon, Steven
TI  - Present yourself 1 
T2  - Present yourself
SN  - 978-0-521-71328-3
AV  - PE1128.G39 
CY  - Cambridge
KW  -  English language--Problems
KW  -  etc
KW  -  exercises
KW  - English language
KW  - English language--Textbooks for foreign speakers
ER  -