Landau, E. (2005). The Transcontinental Railroad. Franklin Watts.
Lua i Stíl Chicago (17ú heag.)Landau, Elaine. The Transcontinental Railroad. Franklin Watts, 2005.
Lua MLA (8ú heag.)Landau, Elaine. The Transcontinental Railroad. Franklin Watts, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.