APA-referens (7:e uppl.)

Omaha Tribe of Nebraska & United States. Office of Indian Affairs. (1936). Corporate charter of the Omaha Tribe of Nebraska: Ratified August 22, 1936. U.S. G.P.O..

Chicago-referens (17:e uppl.)

Omaha Tribe of Nebraska och United States. Office of Indian Affairs. Corporate Charter of the Omaha Tribe of Nebraska: Ratified August 22, 1936. Washington: U.S. G.P.O., 1936.

MLA-referens (8:e uppl.)

Omaha Tribe of Nebraska och United States. Office of Indian Affairs. Corporate Charter of the Omaha Tribe of Nebraska: Ratified August 22, 1936. U.S. G.P.O., 1936.