Não informado. News of the Surveying and Mapping Division of ASCE. American Society of Civil Engineers.
Chicagoスタイル(17版)引用形式Não informado. News of the Surveying and Mapping Division of ASCE. New York: American Society of Civil Engineers.
MLA(8版)引用形式Não informado. News of the Surveying and Mapping Division of ASCE. American Society of Civil Engineers.
警告: この引用は必ずしも正確ではありません.