Philip Kotler.  2016. <br/><br/>
Marketing management : 
Philip Kotler. 
 - 15th edition 
 - England,  Pearson Education Limited :  ©2016. 
<br/><br/><label>ISBN: </label>9781292092621 
<br/><br/><label>LC Class. No.: </label>HF 5415.13  / K8487 2016