Internet marketing :  strategy, implementation and practice / 
Dave Chaffey.... [et al]. 
 - 4th ed. 
 - London :  Prentice hall,  2009. 
 - xxxi, 702 p. 
<br/><br/><label>ISBN: </label>0273717409 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Internet marketing.<br/>Internet.