United States. Congress. Senate. Select Committee on Affairs in Indian Territory, Hitchcock, E. A., & Clark, C. D. (1907). Statement of Hon. Ethan Allen Hitchcock, Secretary of the Interior: December 14 and 19, 1906, and January 9, 1907. Government Printing Office.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Congress. Senate. Select Committee on Affairs in Indian Territory, Ethan Allen Hitchcock, و Clarence D. Clark. Statement of Hon. Ethan Allen Hitchcock, Secretary of the Interior: December 14 and 19, 1906, and January 9, 1907. Washington: Government Printing Office, 1907.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States. Congress. Senate. Select Committee on Affairs in Indian Territory, et al. Statement of Hon. Ethan Allen Hitchcock, Secretary of the Interior: December 14 and 19, 1906, and January 9, 1907. Government Printing Office, 1907.