United Nations Centre for Human Settlements. (1981). Upgrading of urban slums and squatter areas. United Nations Centre for Human Settlements (Habitat).
Citação do estilo Chicago (17ª ed.)United Nations Centre for Human Settlements. Upgrading of Urban Slums and Squatter Areas. Nairobi, Kenya: United Nations Centre for Human Settlements (Habitat), 1981.
Citação MLA (9ª ed.)United Nations Centre for Human Settlements. Upgrading of Urban Slums and Squatter Areas. United Nations Centre for Human Settlements (Habitat), 1981.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.