Willis, Dave. <br/><br/>
Collins Cobuild student's grammar :   self-study edition with answer key / 
Dave Willis. 
 - Self-study ed. 
 - Glasgow :   Harper Collins,   c2001. 
 - xvii, 263 pages :  illustrations ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0003705633 0003705641 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Composition and exercises<br/>English language -- Grammar.
<br/><br/><label>Dewey Class. No.: </label>428.82 WIL