John-Roger <br/><br/>
You can't afford the luxury of a negative thought / 
John-Roger and Peter McWilliams. 
 - x, 598 + [24] páginas ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Éxito.
<br/><br/><label>LC Class. No.: </label>BF637.S8  / J648 1991a