APA
United Nations Centre for Human Settlements, . (1990). Use of new and renewable energy sources with emphasis on shelter requirements. Nairobi: United Nations Centre for Human settlements (Habitat).
Chicago
United Nations Centre for Human Settlements, . 1990. Use of new and renewable energy sources with emphasis on shelter requirements. Nairobi: United Nations Centre for Human settlements (Habitat).
Harvard
United Nations Centre for Human Settlements, . (1990). Use of new and renewable energy sources with emphasis on shelter requirements. Nairobi: United Nations Centre for Human settlements (Habitat).
MLA
United Nations Centre for Human Settlements, . Use of new and renewable energy sources with emphasis on shelter requirements. Nairobi: United Nations Centre for Human settlements (Habitat). 1990.