Dean, A. H. (1957). William Nelson Cromwell, 1854-1948: An American pioneer in corporation, comparative and international law. s.n.
Lua i Stíl Chicago (17ú heag.)Dean, Arthur Hobson. William Nelson Cromwell, 1854-1948: An American Pioneer in Corporation, Comparative and International Law. New York: s.n, 1957.
Lua MLA (9ú heag.)Dean, Arthur Hobson. William Nelson Cromwell, 1854-1948: An American Pioneer in Corporation, Comparative and International Law. s.n, 1957.
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