Sinclair, Barbara.  <br/><br/>
Activate your English :   Pre-intermediate Teacher's Bool / 
Barbara Sinclair, 
 - Cambridge :   Cambridge University Press,   1996. 
 - 88 p. ;  26cm. 
<br/><br/><label>ISBN: </label>0521425700 
<br/><br/><label>Dewey Class. No.: </label>425  / SIA 1996