United Nations Conference on Trade and Development (UNCTAD). (1999). Future multilateral trade negotiations: Handbook for trade negotiators from least developed countries. United Nations.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United Nations Conference on Trade and Development (UNCTAD). Future Multilateral Trade Negotiations: Handbook for Trade Negotiators from Least Developed Countries. New York: United Nations, 1999.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United Nations Conference on Trade and Development (UNCTAD). Future Multilateral Trade Negotiations: Handbook for Trade Negotiators from Least Developed Countries. United Nations, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.