United nations department of public information. (2011). Basic facts about the united nations. United nations.
Цитирование в стиле Чикаго (17-е изд.)United nations department of public information. Basic Facts About the United Nations. New York: United nations, 2011.
Цитирование MLA (8-е изд.)United nations department of public information. Basic Facts About the United Nations. United nations, 2011.
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