Yule, George. <br/><br/>
Explaining english grammar / 

 - [S.l.] :  Oxford University Press, USA,  1999 
<br/><br/><label>ISBN: </label>0194371727 (paperback) | 9780194371728 (paperback) 
<br/><br/><label>Dewey Class. No.: </label>428.2 YUL