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. Bureau of Foreign and Domestic Commerce and United States. Shipping Board Emergency Fleet Corporation,"Volume of United States trade, 1921 : by ports of origin and destination",,Government Printing Office,1922,Miscellaneous series,,,,https://cir.nii.ac.jp/crid/1130000795857654784