APA
United Nations Centre for Human Settlements, . (1993). Improving the quality of life of elderly and disabled people in human settlements. Nairobi: Habitat.
Chicago
United Nations Centre for Human Settlements, . 1993. Improving the quality of life of elderly and disabled people in human settlements. Nairobi: Habitat.
Harvard
United Nations Centre for Human Settlements, . (1993). Improving the quality of life of elderly and disabled people in human settlements. Nairobi: Habitat.
MLA
United Nations Centre for Human Settlements, . Improving the quality of life of elderly and disabled people in human settlements. Nairobi: Habitat. 1993.