Hornby, A.S. <br/><br/>
Teaching of structural words and sentence pattern 
A.S. Hornby 
 - 8th 
 - Delhi  Oxford  1991 
 - 162 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English Language-Grammar
<br/><br/><label>Dewey Class. No.: </label>428.2  / HOR N1