Wolff, E. N. (2017). A century of wealth in America. The Belknap Press of Harvard University Press.
Lua i Stíl Chicago (17ú heag.)Wolff, Edward N. A Century of Wealth in America. Cambridge, Massachusetts: The Belknap Press of Harvard University Press, 2017.
Lua MLA (9ú heag.)Wolff, Edward N. A Century of Wealth in America. The Belknap Press of Harvard University Press, 2017.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.