Murphy,  Raymond <br/><br/>
English grammar in use :  A self-study reference and practice book for intermediate students : with answers 
Raymond Murphy 
 - 2nd ed 
 - Cambridge :  Cambridge University Press,  1994 
 - 350 p.  25 cm 
<br/><br/><label>ISBN: </label>0-521-43680-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lingua inglese