United Nations. Development Programme, World Resources Institute, United Nations Environment Programme, & World Bank. (2000). World resources: 2000/2001. World Resources Institute.
Chicago-viite (17. p.)United Nations. Development Programme, World Resources Institute, United Nations Environment Programme, ja World Bank. World Resources: 2000/2001. Washington, D.C.: World Resources Institute, 2000.
MLA-viite (9. p.)United Nations. Development Programme, et al. World Resources: 2000/2001. World Resources Institute, 2000.
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