Elton, E. J., & Gruber, M. J. (2002). Modern portfolio theory and investment analysis (5th ed.). John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)Elton, Edwin J., agus Martin Jay Gruber. Modern Portfolio Theory and Investment Analysis. 5th ed. New York: John Wiley & Sons, 2002.
Lua MLA (8ú heag.)Elton, Edwin J., agus Martin Jay Gruber. Modern Portfolio Theory and Investment Analysis. 5th ed. John Wiley & Sons, 2002.
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