Siegel, J. J. (2005). The Future for Investors. Bantam Hardcover.
Lua i Stíl Chicago (17ú heag.)Siegel, Jeremy J. The Future for Investors. New York: Bantam Hardcover, 2005.
Lua MLA (9ú heag.)Siegel, Jeremy J. The Future for Investors. Bantam Hardcover, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.