ELTON, E. J., & GRUBER, M. J. (1987). Modern portopolio theory and investment analysis.--ed.3. John Wiley.
Lua i Stíl Chicago (17ú heag.)ELTON, Edwin J., agus Martin J. GRUBER. Modern Portopolio Theory and Investment Analysis.--ed.3. New York: John Wiley, 1987.
Lua MLA (9ú heag.)ELTON, Edwin J., agus Martin J. GRUBER. Modern Portopolio Theory and Investment Analysis.--ed.3. John Wiley, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.