Douglas, W. O. (1975). Douglas Of The Supreme Court - A Selection of his Opinions. Greenwood Press.
Lua i Stíl Chicago (17ú heag.)Douglas, William Orville. Douglas Of The Supreme Court - A Selection of His Opinions. Connecticut: Greenwood Press, 1975.
Lua MLA (9ú heag.)Douglas, William Orville. Douglas Of The Supreme Court - A Selection of His Opinions. Greenwood Press, 1975.
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