ELTON,J. EDWIN: <br/><br/>
MODERN PORTFOLIO THEORY AND INVESTMENT ANALYSIS. 

 - 6TH ED.  
 - UNITED STATE OF AMERICA:  JOHN WILEY&SONS,INC,  2003. 
<br/><br/><label>ISBN: </label>0471238546. 
<br/><br/><label>Dewey Class. No.: </label>332.6 ELT.