United Nations. Economic and Social Commission for Asia and the Pacific. (1991). Guidelines for youth participation in environmentally sound and sustainable development. United Nations.
Cita Chicago (17th ed.)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.
Cita MLA (9th ed.)United Nations. Economic and Social Commission for Asia and the Pacific. Guidelines for Youth Participation in Environmentally Sound and Sustainable Development. United Nations, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.