The silent salesman : guaranteed strategies for increasing sales and profits using promotional products 
Carson, Mitch. 
 -  John Wiley & Sons, Inc.  2009 
 - xvii, 280 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>978-0-470-27035-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marketing.
<br/><br/><label>Dewey Class. No.: </label>658.82 C23s 2009