Elton, Edwin  J. <br/><br/>
Modern portfolio theory and investment analysis. 

 - 5th ed. 
 - Singapore :  John Wily and Son,  2001. 
 - xix, 715 p. :  ill. ;  23 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>9971513005 
<br/><br/><label>Dewey Class. No.: </label>332.6 ELT