Digital Marketing [electronic resource]  Strategy, Implementation and practice 
Dave Chaffey and Fiona Ellis Chadwick  
 - 6th ed.  
 -   Pearson Education Limited  2016 
 - 1 online resource (702 pages)  col. illus.  
<br/><br/><br/>English  
<br/><br/><label>ISBN: </label>9781292077611 (print)  (PDF)   9781292077642 (PDF) 978-1-292-07762-8 (eText)