ELTON, E. J., & GRUBER, M. J. (1991). Modern portopolio theory and investment analysis.--ed.4. John Wiley and Sons.
Chicago-čujuhus (17. p.)ELTON, Edwin J., juo Martin J. GRUBER. Modern Portopolio Theory and Investment Analysis.--ed.4. New York: John Wiley and Sons, 1991.
MLA-čujuhus (9. p.)ELTON, Edwin J., juo Martin J. GRUBER. Modern Portopolio Theory and Investment Analysis.--ed.4. John Wiley and Sons, 1991.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.