Não informado. News of the Surveying and Mapping Division of ASCE. American Society of Civil Engineers.
Chicago-Zitierstil (17. Ausg.)Não informado. News of the Surveying and Mapping Division of ASCE. New York: American Society of Civil Engineers.
MLA-Zitierstil (8. Ausg.)Não informado. News of the Surveying and Mapping Division of ASCE. American Society of Civil Engineers.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.