Elton, E. J., Gruber, M. J., Gruber, M. J., Gruber, M. J. 1., Gruber, M. A., Gruber, M. J., & Gruber, M. J. 1. (1995). Modern portfolio theory and investment analysis (5th ed.). New York: Wiley.
Παραπομπή Chicago StyleElton, Edwin J., Martin Jay Gruber, Martin J. Gruber, Martin J. 1937- Gruber, Martin A. Gruber, Martin Jay Gruber, and Martin Jay 1937- Gruber. Modern Portfolio Theory and Investment Analysis. 5th ed. New York: Wiley, 1995.
Παραπομπή MLAElton, Edwin J., et al. Modern Portfolio Theory and Investment Analysis. 5th ed. New York: Wiley, 1995.
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