United Nations. Economic and Social Commission for Asia and the Pacific. (1991). Guidelines for youth participation in environmentally sound and sustainable development. United Nations.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United Nations. Economic and Social Commission for Asia and the Pacific. Guidelines for Youth Participation in Environmentally Sound and Sustainable Development. New York: United Nations, 1991.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)United Nations. Economic and Social Commission for Asia and the Pacific. Guidelines for Youth Participation in Environmentally Sound and Sustainable Development. United Nations, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.