United States. Department of the Interior & United States. Office of Indian Affairs. (1929). Regulations of the Indian Service: Licensed Indian traders. U.S. G.P.O..
Chicago-viite (17. p.)United States. Department of the Interior ja United States. Office of Indian Affairs. Regulations of the Indian Service: Licensed Indian Traders. Washington: U.S. G.P.O., 1929.
MLA-viite (8. p.)United States. Department of the Interior ja United States. Office of Indian Affairs. Regulations of the Indian Service: Licensed Indian Traders. U.S. G.P.O., 1929.
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