TY  - BOOK
AU  - Reen,Diana
AU  - Iannuzzi,Susan
TI  - Hemispheres 4: student book 
SN  - 0071264469
PY  - 2008///
CY  - New York
PB  - McGraw-Hill ELT
KW  - English language
KW  - Study and teaching
KW  - Problems, exercises, etc
ER  -