United nations. (1997). Iron and steel scrap: Its significance and influence on further developments in the iron and steel industries. UN.
Цитирование в стиле Чикаго (17-е изд.)United nations. Iron and Steel Scrap: Its Significance and Influence on Further Developments in the Iron and Steel Industries. Geneva: UN, 1997.
Цитирование MLA (8-е изд.)United nations. Iron and Steel Scrap: Its Significance and Influence on Further Developments in the Iron and Steel Industries. UN, 1997.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.