Roller, Dave. <br/><br/>
How to make big money in multi-level marketing / 
Dave Roller. 
 - Englewood Cliffs, N.J. :  Prentice-Hall  1989. 
 - 183 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>0134178580 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Multilevel marketing.