Department of Economic and Social Affairs. (2009). 2007 International Trade Statistics Yearbook. United Nations.
Цитирование в стиле Чикаго (17-е изд.)Department of Economic and Social Affairs. 2007 International Trade Statistics Yearbook. New York: United Nations, 2009.
Цитирование MLA (8-е изд.)Department of Economic and Social Affairs. 2007 International Trade Statistics Yearbook. United Nations, 2009.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.