Murphy, Raymond. <br/><br/>
Essential grammar in use :  a self-study reference and practice book for elementary students of English : with answers / 
Murphy, Raymond. 
 - 3rd ed. 
 - 319 p. 
<br/><br/><label>ISBN: </label>9780521133890 
<br/><br/><label>Dewey Class. No.: </label>428.24