United States. Department of State & United States. National Archives and Records Service. (1961). Records of the Department of State relating to political relations between the United States and Germany, 1910-1929. National Archives and Records Service.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Department of State و United States. National Archives and Records Service. Records of the Department of State Relating to Political Relations Between the United States and Germany, 1910-1929. Washington [D.C.]: National Archives and Records Service, 1961.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States. Department of State و United States. National Archives and Records Service. Records of the Department of State Relating to Political Relations Between the United States and Germany, 1910-1929. National Archives and Records Service, 1961.