Não informado. (1933). Indians at work. U.S. Office of Indian Affairs.
Lua i Stíl Chicago (17ú heag.)Não informado. Indians at Work. Washington: U.S. Office of Indian Affairs, 1933.
Lua MLA (8ú heag.)Não informado. Indians at Work. U.S. Office of Indian Affairs, 1933.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.