Bettger, Frank. <br/><br/>
How I multiplied my income and happiness in selling / 
Frank Bettger. 
 - New York:  Prentice-Hall,  1966., 
 - 315p. :  illus. ;  24cm. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Selling.
<br/><br/><label>Dewey Class. No.: </label>658.85  / BEH 1966