National Association of Railroad and Utilities Commissioners. Annual Convention. (1947). Proceedings. National Association of Railroad and Utilities Commissioners.
Lua i Stíl Chicago (17ú heag.)National Association of Railroad and Utilities Commissioners. Annual Convention. Proceedings. Washington, D.C.: National Association of Railroad and Utilities Commissioners, 1947.
Lua MLA (8ú heag.)National Association of Railroad and Utilities Commissioners. Annual Convention. Proceedings. National Association of Railroad and Utilities Commissioners, 1947.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.