Ball, H., & Cooper, P. J. (1992). Of power and right: Hugo Black, William O. Douglas, and America's constitutional revolution. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Ball, Howard, agus Phillip J. Cooper. Of Power and Right: Hugo Black, William O. Douglas, and America's Constitutional Revolution. New York: Oxford University Press, 1992.
Lua MLA (9ú heag.)Ball, Howard, agus Phillip J. Cooper. Of Power and Right: Hugo Black, William O. Douglas, and America's Constitutional Revolution. Oxford University Press, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.