United States. Department of State, United States. National Archives and Records Administration, University Publications of America (Firm), Murphy, G., & Hydrick, B. (1990). Confidential U.S. State Department central files: Internal affairs, decimal numbers 786A, 886A, and 986A : foreign affairs, decimal numbers 686A and 611.86A. University Publications of America.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Department of State, United States. National Archives and Records Administration, University Publications of America (Firm), Gregory Murphy, و Blair Hydrick. Confidential U.S. State Department Central Files: Internal Affairs, Decimal Numbers 786A, 886A, and 986A : Foreign Affairs, Decimal Numbers 686A and 611.86A. Bethesda, MD: University Publications of America, 1990.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States. Department of State, et al. Confidential U.S. State Department Central Files: Internal Affairs, Decimal Numbers 786A, 886A, and 986A : Foreign Affairs, Decimal Numbers 686A and 611.86A. University Publications of America, 1990.