Francaviglia, R. V. (2008). Over the range: A history of the Promontory Summit route of the Pacific railroad. Utah State University Press.
Lua i Stíl Chicago (17ú heag.)Francaviglia, Richard V. Over the Range: A History of the Promontory Summit Route of the Pacific Railroad. Logan: Utah State University Press, 2008.
Lua MLA (9ú heag.)Francaviglia, Richard V. Over the Range: A History of the Promontory Summit Route of the Pacific Railroad. Utah State University Press, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.