Não informado. News of the Surveying and Mapping Division of ASCE. American Society of Civil Engineers.
Chicago Style (17. basım) AtıfNão informado. News of the Surveying and Mapping Division of ASCE. New York: American Society of Civil Engineers.
MLA (8th ed.) AtıfNão informado. News of the Surveying and Mapping Division of ASCE. American Society of Civil Engineers.
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