Elton, E. J., & Gruber, M. J. (1995). Modern portfolio theory and investment analysis. New York: John Wiley and Sons.
Trích dẫn kiểu ChicagoElton, Edwin J., và Martin J. Gruber. Modern Portfolio Theory and Investment Analysis. New York: John Wiley and Sons, 1995.
MLA CitationElton, Edwin J., và Martin J. Gruber. Modern Portfolio Theory and Investment Analysis. New York: John Wiley and Sons, 1995.
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