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,"Afghanistan - U.S.S.R. boundary, September 15, 1983",,U. S. Bureau of Intelligence and Research. Office of the Geographer,1983,International boundary study,,,,https://cir.nii.ac.jp/crid/1130000794665727616