Murphy, Raymond <br/><br/>
Essential grammar in use  a self-study reference and practice book for elementary students of english with answers 
Raymond Murphy 
 - 3rd, 8th print 
 - Cambridge, N.Y.  Cambridge University Press  2007, 2009 
 - xi, 319p.:  ill. (col.), disc  26 x 20cm 
<br/><br/> Index 
<br/><br/><label>LCCN: </label>55067 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--grammar<br/>Education Elementary
<br/><br/><label>Dewey Class. No.: </label>372.61/M978e