Modern portfolio theory and investment analysis / 
Edwin J. Elton...[et al.] 
 - 6 
 - [s.l.] :  John Wiley & sons,  2003       
 - xiv, 705 p. 
<br/><br/><label>ISBN: </label>0471238546 
<br/><br/><label>LC Class. No.: </label>HG 4529.5 M689 2003