Rugg, H. O. (1926). The mechanical conquest of America (2d experimental ed.). [s.n.].
Lua i Stíl Chicago (17ú heag.)Rugg, Harold Ordway. The Mechanical Conquest of America. 2d experimental ed. New York: [s.n.], 1926.
Lua MLA (8ú heag.)Rugg, Harold Ordway. The Mechanical Conquest of America. 2d experimental ed. [s.n.], 1926.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.