Economic comission for Europe. (2003). Environmental policy in transition: Ten years of unece environmental performance reviews.
Цитирование в стиле Чикаго (17-е изд.)Economic comission for Europe. Environmental Policy in Transition: Ten Years of Unece Environmental Performance Reviews. 2003.
Цитирование MLA (9-е изд.)Economic comission for Europe. Environmental Policy in Transition: Ten Years of Unece Environmental Performance Reviews. 2003.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.