United Nations. The Evolution of the trade and payments systems. Part II. Toward reform of the system. Part III. United Nations Publications.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United Nations. The Evolution of the Trade and Payments Systems. Part II. Toward Reform of the System. Part III. Washington D.C.: United Nations Publications.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)United Nations. The Evolution of the Trade and Payments Systems. Part II. Toward Reform of the System. Part III. United Nations Publications.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.