Davis, J. P. (1894). the Union Pacific railway: A study in railway politics, history , and economics. S.C. Griggs.
Lua i Stíl Chicago (17ú heag.)Davis, John Patterson. The Union Pacific Railway: A Study in Railway Politics, History , and Economics. Chicago: S.C. Griggs, 1894.
Lua MLA (9ú heag.)Davis, John Patterson. The Union Pacific Railway: A Study in Railway Politics, History , and Economics. S.C. Griggs, 1894.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.