UN. (1997). Technical and economic aspects of the establishment of a regional electricity network. United Nations.
Цитирование в стиле Чикаго (17-е изд.)UN. Technical and Economic Aspects of the Establishment of a Regional Electricity Network. New York: United Nations, 1997.
Цитирование MLA (8-е изд.)UN. Technical and Economic Aspects of the Establishment of a Regional Electricity Network. United Nations, 1997.
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