Gaya APA
Elton, E, J., Gruber, M, J. (1995).
Modern Portofolio Theory And Investment Analysis (5).
Unite State:
John Wiley & Sons.
Gaya MLA
Elton, Edwin, J.., Gruber, Martin, J..
"Modern Portofolio Theory And Investment Analysis".
5
Unite State:
John Wiley & Sons,
1995.
Text.