Chaffey, Dave <br/><br/>
Digital marketing excellence  planning, optimizing and integrating online marketing 
Dave Chaffey and PR Smith. 
 - 5th ed  
 - London  Routledge  2017 
 - xxvii, 660p  
<br/><br/> Includes bibliographical references and index  
<br/><br/><label>ISBN: </label>9781138191709  
<br/><br/><label>Dewey Class. No.: </label>658.872 CHA