Modern potfolio theory and investment analysis 
Elton J. Edwin 
 - 8th ed 
 - India  John willey and sons  2010 
 - 727p. 
<br/><br/><label>ISBN: </label>978-81-265-2814-1 
<br/><br/><label>LC Class. No.: </label>HG 459  / .M6 2010