Murphy, Raymond <br/><br/>
Essential grammar in use    a self-study reference and practice book for elementary students of English with answers / Raymomd Murphy.     

 -  Cambridge : Cambridge University press  2007 
 - Version 1.3b. 
<br/><br/><label>ISBN: </label>9780521675444 
<br/><br/><label>LC Class. No.: </label>PE1128 .M777 2007 
<br/><br/><label>Dewey Class. No.: </label>PE1128 .M777 2007 
<br/><br/><label>National Library of Medicine Call No.: </label>PE1128 .M777 2007