Level, Red <br/><br/>
Building English skills / 
By R. Level. 
 - Evanston :  McDougal, Littell & Co.,  1978. 
 - 272 p. :  ill. ;  21 cm. 
<br/><br/>Index pp. 275-286 
<br/><br/><label>ISBN: </label>0-88343-450-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English--Grammar