著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
U.S. Geological Survey National Mineral Resource Assessment Team and Geological Survey (U.S.),"1998 assessment of undiscovered deposits of gold, silver, copper, lead, and zinc in the United States",,U.S. Department of Interior : U.S. Geological Survey,2000,U.S. Geological Survey circular,,,,https://cir.nii.ac.jp/crid/1130000798157122432