Godin, Seth <br/><br/>
Permission marketing  turning strangers into friends and friends into customers 
Seth Godin. 
 - London  Simon and Schuster  1999 
 - 255p., 22cm. 
<br/><br/><label>ISBN: </label>0-7432-2142-7. 
<br/><br/><label>Dewey Class. No.: </label>658.8  / G44P