Ludlum, R. (1992). The road to Omaha. Random House.
Lua i Stíl Chicago (17ú heag.)Ludlum, Robert. The Road to Omaha. New York: Random House, 1992.
Lua MLA (8ú heag.)Ludlum, Robert. The Road to Omaha. Random House, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.