Waters, Mary <br/><br/>
Study tasks in english :  Student's book / 
Mary Waters; Alan Waters. 
 - Cambridge :  Cambridge University Press,  1995. 
 - 214 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>0521426146 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English