Casner, M. B., & Gabriel, R. H. (1955). The story of American democracy (3rd ed.). Harcourt, Brace.
Lua i Stíl Chicago (17ú heag.)Casner, Mabel B., agus Ralph Henry Gabriel. The Story of American Democracy. 3rd ed. New York: Harcourt, Brace, 1955.
Lua MLA (8ú heag.)Casner, Mabel B., agus Ralph Henry Gabriel. The Story of American Democracy. 3rd ed. Harcourt, Brace, 1955.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.