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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)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.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)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.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.