United States. Office of Indian Affairs. (1963). Letters sent by the Office of Indian Affairs, 1824-1881. National Archives.
Chicago Style aipamenaUnited States. Office of Indian Affairs. Letters Sent by the Office of Indian Affairs, 1824-1881. Washington: National Archives, 1963.
MLA aipamenaUnited States. Office of Indian Affairs. Letters Sent by the Office of Indian Affairs, 1824-1881. National Archives, 1963.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.