ELTON, E. J., & GRUBER, M. J. (1987). Modern portopolio theory and investment analysis.--ed.3. John Wiley.
芝加哥风格引文ELTON, Edwin J., 与 Martin J. GRUBER. Modern Portopolio Theory and Investment Analysis.--ed.3. New York: John Wiley, 1987.
MLA引文ELTON, Edwin J., 与 Martin J. GRUBER. Modern Portopolio Theory and Investment Analysis.--ed.3. John Wiley, 1987.
警告：这些引文格式不一定是100％准确.