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..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Department of the Interior و United States. Office of Indian Affairs. Regulations of the Indian Service: Licensed Indian Traders. Washington: U.S. G.P.O., 1929.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States. Department of the Interior و United States. Office of Indian Affairs. Regulations of the Indian Service: Licensed Indian Traders. U.S. G.P.O., 1929.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.