Funk & Wagnalls. (1960). Builders of America. [s.n].
Lua i Stíl Chicago (17ú heag.)Funk & Wagnalls. Builders of America. New York: [s.n], 1960.
Lua MLA (9ú heag.)Funk & Wagnalls. Builders of America. [s.n], 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.