TY  - BOOK
AU  - Merdinger, Polly
AU  - Merdinger, Polly
TI  - Northstar 1 :  listening and speaking/ Polly Merdinger    
SN  - 9780136133353
AV  - PE1128 .M557 2009 
U1  - PE1128 .M557 2009 
PY  - 2009///
PB  - White Plains, NY : Pearson Education
ER  -