United States. Department of State & United States. National Archives and Records Administration. (1986). Records of the U.S. Department of State relating to the internal affairs of Poland, 1945-1949: Department of State decimal file 860c. Scholarly Resources.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Department of State و United States. National Archives and Records Administration. Records of the U.S. Department of State Relating to the Internal Affairs of Poland, 1945-1949: Department of State Decimal File 860c. [Wilmington, Del.]: Scholarly Resources, 1986.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States. Department of State و United States. National Archives and Records Administration. Records of the U.S. Department of State Relating to the Internal Affairs of Poland, 1945-1949: Department of State Decimal File 860c. Scholarly Resources, 1986.