Sinclair, Barbara <br/><br/>
Activate your English :  intermediate teacher's book / 
Barbara Sinclair, Philip Prowse 
 - Cambridge :  Cambridge University Press,  1996. 
 - 67 p. ;  26cm. 
<br/><br/><label>ISBN: </label>0521484189 
<br/><br/><label>Dewey Class. No.: </label>425  / SIA 1996