ELTON, E. J., & GRUBER, M. J. (1991). Modern portopolio theory and investment analysis.--ed.4. John Wiley and Sons.
Chicago Style (17. basım) AtıfELTON, Edwin J., ve Martin J. GRUBER. Modern Portopolio Theory and Investment Analysis.--ed.4. New York: John Wiley and Sons, 1991.
MLA (9th ed.) AtıfELTON, Edwin J., ve Martin J. GRUBER. Modern Portopolio Theory and Investment Analysis.--ed.4. John Wiley and Sons, 1991.
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