Raymond Murphy. <br/><br/>
Essential grammar in use :  a self-study reference and practice book for elementary students of English :  with answers  / 
Raymond Murphy. 
 - 3rd 
 - Cambridge :  Cambridge University Press,  2007. 
 - xi, 319p. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>521675437 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language --English language--Grammar--Problems, exercises, etc.--Textbooks for foreign speakers
<br/><br/><label>Dewey Class. No.: </label>428.24  M978