Elton, E. J. (1991). Modern Portfolio Theory And Ivestmen Analysis Edwin J. Elton And Martin J Gruber. John Wiley & Sons.
Chicago Style aipamenaElton, Edwin J. Modern Portfolio Theory And Ivestmen Analysis Edwin J. Elton And Martin J Gruber. John Wiley & Sons, 1991.
MLA aipamenaElton, Edwin J. Modern Portfolio Theory And Ivestmen Analysis Edwin J. Elton And Martin J Gruber. John Wiley & Sons, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.