Murphy, Raymond <br/><br/>
Essential grammer in use :   a Self -study reference and practice book for elementary students of english with answer / 
Raymond Murphy 
 - 3rd ed. 
 - New Delhi :   Cambridge University Press,   2007. 
 - xi, 319 pages :   illustrations ;   26 cm 
<br/><br/><label>ISBN: </label>9780521133937 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English grammar.
<br/><br/><label>Dewey Class. No.: </label>428  / MUR