Chaffey, Dave and Smith, PR <br/><br/>
Emarketing excellence  planning and optimizing your digital marketing 

 - 4th ed. 
 - London  Routledge  2012 
 - xxiii, 613p. 
<br/><br/><label>ISBN: </label>9780415533379 
<br/><br/><label>Dewey Class. No.: </label>658.872  / CHA