United States. National Archives and Records Administration. (2000). Microfilm resources for research: A comprehensive catalog. National Archives Trust Fund Board, National Archives and Records Administration.
Lua i Stíl Chicago (17ú heag.)United States. National Archives and Records Administration. Microfilm Resources for Research: A Comprehensive Catalog. Washington, D.C.: National Archives Trust Fund Board, National Archives and Records Administration, 2000.
Lua MLA (8ú heag.)United States. National Archives and Records Administration. Microfilm Resources for Research: A Comprehensive Catalog. National Archives Trust Fund Board, National Archives and Records Administration, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.