United Nations Department for Development Support and Management Services. Energy Branch. (1993). Power Generation Options: Rehabilitation for Life Extension and Cogeneration. United Nations.
Чикаго маягийн жагсаалтUnited Nations Department for Development Support and Management Services. Energy Branch. Power Generation Options: Rehabilitation for Life Extension and Cogeneration. New York: United Nations, 1993.
MLA ишлэлUnited Nations Department for Development Support and Management Services. Energy Branch. Power Generation Options: Rehabilitation for Life Extension and Cogeneration. United Nations, 1993.
Warning: These citations may not always be 100% accurate.