United Nations. Technical Assistance Administration. (1951). Services of the United Nations Technical Assistance Administration and how to obtain them. [s.n.].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United Nations. Technical Assistance Administration. Services of the United Nations Technical Assistance Administration and How to Obtain Them. New York: [s.n.], 1951.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)United Nations. Technical Assistance Administration. Services of the United Nations Technical Assistance Administration and How to Obtain Them. [s.n.], 1951.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.