Cita APA (7th ed.)
Gruber, M. J. (2005). Modern portfolio theory and investment analysis (5th ed.). J. Wiley & Sons.
Cita Chicago (17th ed.)
Gruber, Martin J. Modern Portfolio Theory and Investment Analysis. 5th ed. Singapore: J. Wiley & Sons, 2005.
Cita MLA (9th ed.)
Gruber, Martin J. Modern Portfolio Theory and Investment Analysis. 5th ed. J. Wiley & Sons, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.