United States. Congress. Senate. Committee on Labor and Public Welfare. Special Subcommittee on Indian Education. (1969). Indian education: Hearings, Ninetieth Congress, first and second sessions, on the study of the education of Indian children. U.S. Govt. Print. Off..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Congress. Senate. Committee on Labor and Public Welfare. Special Subcommittee on Indian Education. Indian Education: Hearings, Ninetieth Congress, First and Second Sessions, on the Study of the Education of Indian Children. Washington: U.S. Govt. Print. Off., 1969.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States. Congress. Senate. Committee on Labor and Public Welfare. Special Subcommittee on Indian Education. Indian Education: Hearings, Ninetieth Congress, First and Second Sessions, on the Study of the Education of Indian Children. U.S. Govt. Print. Off., 1969.