United Nations Department for Development Support and Management Services. Energy Branch. (1993). Power Generation Options: Rehabilitation for Life Extension and Cogeneration. United Nations.
Цитирование в стиле Чикаго (17-е изд.)United Nations Department for Development Support and Management Services. Energy Branch. Power Generation Options: Rehabilitation for Life Extension and Cogeneration. New York: United Nations, 1993.
Цитирование MLA (8-е изд.)United Nations Department for Development Support and Management Services. Energy Branch. Power Generation Options: Rehabilitation for Life Extension and Cogeneration. United Nations, 1993.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.