Mills, Robin. <br/><br/>
Northstar :  Listening and Speaking. Basic/Low intermediate / 
Robin Mills, Laurie Frazier ; series editor : Frances Boyd, Carol Numrich 
 - 2nd ed. 
 - New York. :  Pearson Longman,  2004 
 - 119 p. ;  24 cm. +  1 Audio CD 
 - Teacher's Manual and Tests .
<br/><br/><label>ISBN: </label>0201788446 (original) 
<br/><br/><label>Subjects--Index Terms: </label>Kỹ năng nghe Kỹ năng nói Tiếng Anh 
<br/><br/><label>Dewey Class. No.: </label>428.2/4