Forman, S. E. (1912). The American republic: A text in civics for high schools, academies and normal schools. The Century co..
Lua i Stíl Chicago (17ú heag.)Forman, S. E. The American Republic: A Text in Civics for High Schools, Academies and Normal Schools. New York: The Century co., 1912.
Lua MLA (8ú heag.)Forman, S. E. The American Republic: A Text in Civics for High Schools, Academies and Normal Schools. The Century co., 1912.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.