Wigdor, D. (1974). Roscoe Pound, Philosopher of law. Greenwood Press.
Lua i Stíl Chicago (17ú heag.)Wigdor, David. Roscoe Pound, Philosopher of Law. Connecticut, Estados Unidos: Greenwood Press, 1974.
Lua MLA (9ú heag.)Wigdor, David. Roscoe Pound, Philosopher of Law. Greenwood Press, 1974.
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