Cohen, F. S., & Ickes, H. L. (1940). Handbook of Federal Indian law (Temporary edition.). United States Department of the Interior, Office of the Solicitor.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCohen, Felix S., और Harold L. Ickes. Handbook of Federal Indian Law. Temporary edition. [Washington, D.C.]: United States Department of the Interior, Office of the Solicitor, 1940.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCohen, Felix S., और Harold L. Ickes. Handbook of Federal Indian Law. Temporary edition. United States Department of the Interior, Office of the Solicitor, 1940.
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