Ferri, R. A. (2011). The Power of Passive Investing. John Wiley & Sons.
Chicago-čujuhus (17. p.)Ferri, Richard A. The Power of Passive Investing. Hoboken: John Wiley & Sons, 2011.
MLA-čujuhus (9. p.)Ferri, Richard A. The Power of Passive Investing. John Wiley & Sons, 2011.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.