United Nations Economic Commission for Europe. (1990). Forest Products Markets in 1990 and Prospects for 1991. UN.
Цитирование в стиле Чикаго (17-е изд.)United Nations Economic Commission for Europe. Forest Products Markets in 1990 and Prospects for 1991. Geneva: UN, 1990.
Цитирование MLA (8-е изд.)United Nations Economic Commission for Europe. Forest Products Markets in 1990 and Prospects for 1991. UN, 1990.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.