APA
United Nations Economic and So, . (1997). Global change and sustainable development: critical trends. Geneva: United Nations Economic and Social Council.
Chicago
United Nations Economic and So, . 1997. Global change and sustainable development: critical trends. Geneva: United Nations Economic and Social Council.
Harvard
United Nations Economic and So, . (1997). Global change and sustainable development: critical trends. Geneva: United Nations Economic and Social Council.
MLA
United Nations Economic and So, . Global change and sustainable development: critical trends. Geneva: United Nations Economic and Social Council. 1997.