United Nations Conference on Trade and Development. (2004). A Manual for the Preparers and Users of Eco-efficiency Indicators. UNCTAD.
Цитирование в стиле Чикаго (17-е изд.)United Nations Conference on Trade and Development. A Manual for the Preparers and Users of Eco-efficiency Indicators. Geneva: UNCTAD, 2004.
Цитирование MLA (8-е изд.)United Nations Conference on Trade and Development. A Manual for the Preparers and Users of Eco-efficiency Indicators. UNCTAD, 2004.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.