Não informado. (1979). Habitat news. United Nations, Centre for Human Settlements Habitat.
Chicago (17e ed.) BronvermeldingNão informado. Habitat News. Nairobi: United Nations, Centre for Human Settlements Habitat, 1979.
MLA (8e ed.) BronvermeldingNão informado. Habitat News. United Nations, Centre for Human Settlements Habitat, 1979.
Let op: Deze citaties zijn niet altijd 100% accuraat.