Sidney Greenbaum & Gerald Nelson  - <br/><br/>
An Introduction To English Grammar 

 - 3rd ed. 
 -   Pearson Longman  ©2009 
<br/><br/><label>ISBN: </label>9781405874120  420420 
<br/><br/><label>Dewey Class. No.: </label>428.2/GRE