Cameron, Scott <br/><br/>
Hemispheres 1 : teacher's manual / 
Scott Cameron, Mari Vargo 
 - New York :  McGraw-Hill ,  c2008 
 - 1 v. (various pagings) :  ill. (some col.) ;  28 cm. 
<br/><br/><label>ISBN: </label>9780071264495 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbooks for foreign speakers