Cita APA (7th ed.)
Elton, E. J. (2003). Modern portfolio theory and investment analysis (6th ed.). John Wiley & sons Inc..
Cita Chicago (17th ed.)
Elton, Edwin J. Modern Portfolio Theory and Investment Analysis. 6th ed. USA: John Wiley & sons Inc., 2003.
Cita MLA (9th ed.)
Elton, Edwin J. Modern Portfolio Theory and Investment Analysis. 6th ed. John Wiley & sons Inc., 2003.
Atenció: Aquestes cites poden no estar 100% correctes.