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