United Nations. Division for Sustainable Development & United nations. (2002). Energy and sustainable development: Case studies. UN.
Цитирование в стиле Чикаго (17-е изд.)United Nations. Division for Sustainable Development и United nations. Energy and Sustainable Development: Case Studies. New York: UN, 2002.
Цитирование MLA (8-е изд.)United Nations. Division for Sustainable Development и United nations. Energy and Sustainable Development: Case Studies. UN, 2002.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.