TY  - BOOK
AU  - RICHARDS,Jack C
TI  - Interchange 1: : Workbook 1
SN  - 0-521-60177-0
U1  - 415. 
PY  - 2006///
CY  - New York
PB  - Cambiridge University Press 
KW  - 0
KW  - Grade 7-9
ER  -