United Nations. Economic Commission for Europe & United nations. (1995). Chemical Enterprises in central and eastern Europe. UN.
Цитирование в стиле Чикаго (17-е изд.)United Nations. Economic Commission for Europe и United nations. Chemical Enterprises in Central and Eastern Europe. New York: UN, 1995.
Цитирование MLA (8-е изд.)United Nations. Economic Commission for Europe и United nations. Chemical Enterprises in Central and Eastern Europe. UN, 1995.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.