Não informado. (1933). Law and Contemporary Problems. Duke University, School of Law.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Law and Contemporary Problems. Durham, NC: Duke University, School of Law, 1933.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Law and Contemporary Problems. Duke University, School of Law, 1933.
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