Chaffey, Dave <br/><br/>
E - marketing excellence:  planning and optimizing your digital marketing / 
by Dave Chaffey and P. R. Smith 
 - 4th ed. 
 - London :  Routledge Taylor and Francis,  2008. 
<br/><br/><label>ISBN: </label>9780415533379  £ 32.99 
<br/><br/><label>Subjects--Index Terms: </label>E - Marketing Internet - Marketing