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 United States. Army Map Service,Battambang,Ed. 2-AMS,"The Army Map Service (AM), Corps of Engineers, U.S. Army",1954,"Indochina and Thailand 1:250,000",,,,https://cir.nii.ac.jp/crid/1130282273121379200