Zichermann, Gabe <br/><br/>
Game-based marketing : inspire customer loyalty through rewards, challenges, and contests 
Gabe Zichermann and Joselin Linder 
 - Hoboken, NJ  Wiley  2010 
 - xviii, 220 p. : ill. ; 24 cm 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780470562239 
<br/><br/><label>ISSN: </label>2009044774 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Customer loyalty<br/>Customer loyalty programs<br/>Marketing
<br/><br/><label>Dewey Class. No.: </label>658.812 ZIC