Willis, David. <br/><br/>
Collins Cobuild student's grammar :  self-study edition with answers / 
 Cobuild student's grammar.  Student's grammar. 
practice material by David Willis. 
 - [Reprint ed.]. 
 - Glasgow :  HarperCollins Publisher,  1991. 
 - 263 p. :  ill. 
<br/><br/><label>ISBN: </label>0003705633 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Grammar--1950-<br/>English language--Grammar--Problems, exercises, etc.
<br/><br/><label>Dewey Class. No.: </label>428.24 COL 1991