Ferri, R. A. (2011). The Power of Passive Investing. John Wiley & Sons.
Cita Chicago (17th ed.)Ferri, Richard A. The Power of Passive Investing. Hoboken: John Wiley & Sons, 2011.
Cita MLA (9th ed.)Ferri, Richard A. The Power of Passive Investing. John Wiley & Sons, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.