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. Bureau of Intelligence and Research. Office of the Geographer,"Brazil-Venezuela boundary, July 17, 1985",,U. S. Bureau of Intelligence and Research. Office of the Geographer,1985,International boundary study,,,,https://cir.nii.ac.jp/crid/1130282271403827712