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.