United Nations Conference on Trade and Development. (2004). A Manual for the Preparers and Users of Eco-efficiency Indicators. UNCTAD.
Чикаго маягийн жагсаалтUnited Nations Conference on Trade and Development. A Manual for the Preparers and Users of Eco-efficiency Indicators. Geneva: UNCTAD, 2004.
MLA ишлэлUnited Nations Conference on Trade and Development. A Manual for the Preparers and Users of Eco-efficiency Indicators. UNCTAD, 2004.
Warning: These citations may not always be 100% accurate.