hassouna, w. a. (1980). a social typology of human settlements. the institute of national planning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रhassouna, w. a. A Social Typology of Human Settlements. cairo: the institute of national planning, 1980.
एमएलए (9वां संस्करण) प्रशस्ति पत्रhassouna, w. a. A Social Typology of Human Settlements. the institute of national planning, 1980.