TY  - BOOK
AU  - RICHARD,Jack C
AU  - Jonathan Hull
AU  - Susan Proctor
TI  - Interchange 1: : Student's Book 
SN  - 0-521-60171-1
U1  - 415. 
PY  - 2008///
CY  - New York
PB  - Cambiridge University Press 
KW  - 0
KW  - Grade 7-9
N1  - CD Audio 1 buah cd Interchange
ER  -