Etzel, Michael J., Bruce J., Walker and William J. Stanton. <br/><br/>
Marketing 

 - MCGraw-Hill  Boston  2007 
<br/><br/><label>ISBN: </label>978-0-07-301634-4 
<br/><br/><label>LC Class. No.: </label>BSL HF 5415   / E89 2007