Dean, A. H. (1957). William Nelson Cromwell, 1854-1948: An American pioneer in corporation, comparative and international law. s.n.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDean, Arthur Hobson. William Nelson Cromwell, 1854-1948: An American Pioneer in Corporation, Comparative and International Law. New York: s.n, 1957.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDean, Arthur Hobson. William Nelson Cromwell, 1854-1948: An American Pioneer in Corporation, Comparative and International Law. s.n, 1957.
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