Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.