APA استشهاد

Elton, E. J., & Martin J Gruber. (1995). Modern portfolio theory and investment analysis/5e (5th ed.). John Wiley and Sons.

استشهاد بنمط شيكاغو

Elton, Edwin J., و Martin J Gruber. Modern Portfolio Theory and Investment Analysis/5e. 5th ed. New York: John Wiley and Sons, 1995.

MLA استشهاد

Elton, Edwin J., و Martin J Gruber. Modern Portfolio Theory and Investment Analysis/5e. 5th ed. John Wiley and Sons, 1995.