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
Inter-American Economic and Social Council and Pan American Union. Office of Statistics,"Foreign trade of El Salvador, 1945-1956",,Pan American Union. Office of Statistics,1958,International trade of the American States : Bulletin,,,,https://cir.nii.ac.jp/crid/1130282273206530688