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 ed., New ed. 
 - Cambridge, U.K. ;  New York, NY, USA :  Cambridge University Press,  2007. 
 - 319 p. :  ill. ;  25 cm.+  1CD-ROM(3 3/4in.) 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780521675802 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Grammar--Problems, exercises, etc.<br/>English language--Textbooks for foreign speakers.
<br/><br/><label>LC Class. No.: </label>PE1128  / .M773 2007