Ball, H., & Cooper, P. J. (1992). Of power and right: Hugo Black, William O. Douglas, and America's constitutional revolution. Oxford University Press.
Dyfyniad Arddull ChicagoBall, Howard, and Phillip J. Cooper. Of Power and Right: Hugo Black, William O. Douglas, and America's Constitutional Revolution. New York: Oxford University Press, 1992.
Dyfyniad MLABall, Howard, and Phillip J. Cooper. Of Power and Right: Hugo Black, William O. Douglas, and America's Constitutional Revolution. Oxford University Press, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.