Não informado. (2019). Newsletter. American Society of Civil Engineers, Urban Planning and Development Division.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Newsletter. New York: American Society of Civil Engineers, Urban Planning and Development Division, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Newsletter. American Society of Civil Engineers, Urban Planning and Development Division, 2019.
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