Dyfyniad APA

ELTON, E. J., & GRUBER, M. J. (1995). Modern portfolio theory and investment analysis.-- ed.5. John Wiley and Sons.

Dyfyniad Arddull Chicago

ELTON, Edwin J., and Martin J. GRUBER. Modern Portfolio Theory and Investment Analysis.-- Ed.5. New York: John Wiley and Sons, 1995.

Dyfyniad MLA

ELTON, Edwin J., and Martin J. GRUBER. Modern Portfolio Theory and Investment Analysis.-- Ed.5. John Wiley and Sons, 1995.

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