Department For Economic And Social Development Statistica Officel. (1992). Statistical Yearbook. United Nations.
Цитирование в стиле Чикаго (17-е изд.)Department For Economic And Social Development Statistica Officel. Statistical Yearbook. New York: United Nations, 1992.
Цитирование MLA (8-е изд.)Department For Economic And Social Development Statistica Officel. Statistical Yearbook. United Nations, 1992.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.