UN. (2007). Celebrating the space age 50 years of space technology, 40 years of the outer space treaty: Conference report 2-3 april 2007. UN.
Цитирование в стиле Чикаго (17-е изд.)UN. Celebrating the Space Age 50 Years of Space Technology, 40 Years of the Outer Space Treaty: Conference Report 2-3 April 2007. Geneva: UN, 2007.
Цитирование MLA (8-е изд.)UN. Celebrating the Space Age 50 Years of Space Technology, 40 Years of the Outer Space Treaty: Conference Report 2-3 April 2007. UN, 2007.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.