hassouna, w. a. (1980). a social typology of human settlements. the institute of national planning.
Citação do estilo Chicago (17ª ed.)hassouna, w. a. A Social Typology of Human Settlements. cairo: the institute of national planning, 1980.
Citação MLA (9ª ed.)hassouna, w. a. A Social Typology of Human Settlements. the institute of national planning, 1980.