hassouna, w. a. (1980). a social typology of human settlements. the institute of national planning.
Чикаго стиль цитування (17-те видання)hassouna, w. a. A Social Typology of Human Settlements. cairo: the institute of national planning, 1980.
Стиль цитування MLA (9-ме видання)hassouna, w. a. A Social Typology of Human Settlements. the institute of national planning, 1980.