Ponca Tribe of Indians of Oklahoma & United States. Bureau of Indian Affairs. (1951). Constitution and bylaws of the Ponca Tribe of Indians, Oklahoma: Ratified September 20, 1950. U.S. G.P.O..
Citação do estilo Chicago (17ª ed.)Ponca Tribe of Indians of Oklahoma e United States. Bureau of Indian Affairs. Constitution and Bylaws of the Ponca Tribe of Indians, Oklahoma: Ratified September 20, 1950. Washington: U.S. G.P.O., 1951.
Citação MLA (8ª ed.)Ponca Tribe of Indians of Oklahoma e United States. Bureau of Indian Affairs. Constitution and Bylaws of the Ponca Tribe of Indians, Oklahoma: Ratified September 20, 1950. U.S. G.P.O., 1951.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.