Godin, Seth. <br/><br/>
Permission marketing :  turning strangers into friends, and friends into customers / 
Seth Godin. 
 - London :  Simon & Schuster,  c1999. 
 - 255 p. ;  20 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0743221427 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Relationship marketing.
<br/><br/><label>LC Class. No.: </label>HF5415.55