Gaya APA

J., E., J., G. (2011). Modern Portofolio Theory & Invest. Analysis 8Ed. (8). : John Wiley & Son, Ltd..

Gaya MLA

J., ELTON,Edwin., J., GRUBER,Martin. "Modern Portofolio Theory & Invest. Analysis 8Ed.". 8 : John Wiley & Son, Ltd., 2011. Textbook.