Chaffey Dave. <br/><br/>
Emarketing Excellence : Planning And Optimizing Your Digital Marketing / Dave Chaffey And Pr Smith. 

 - 4th ed. 
 -  London New York : Routledge 2013. 
 - XXIII 613 P. : COL ILL. 25 CM. 
 -  0 .
<br/><br/><br/>ENG 
<br/><br/><label>ISBN: </label>9780415533379 (Pbk.)