Department of economic and Social Affairs. (1999). 1998 International Trade Statistics Yearbook. United National.
Цитирование в стиле Чикаго (17-е изд.)Department of economic and Social Affairs. 1998 International Trade Statistics Yearbook. New York: United National, 1999.
Цитирование MLA (8-е изд.)Department of economic and Social Affairs. 1998 International Trade Statistics Yearbook. United National, 1999.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.