Reen, Diana, <br/><br/>
Hemispheres 4 :  student book / 
Diana Reen, Susan Iannuzzi 
 - 148 pages :  illustrations ;  28 cm. 
<br/><br/><label>ISBN: </label>0071264469  9780071264464 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Study and teaching<br/>English language--Problems, exercises, etc