Maurer, Jay. <br/><br/>
Focus on grammar :  an advanced course for reference and practice / 
Jay Maurer. 
 - White Plains, NY :  Addison-Wesley Longman,  2000. 
 - p. cm. 
<br/><br/><label>ISBN: </label>0201383098 
<br/><br/><label>LC Class. No.: </label>PE1128