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 "Brock, Herman G. and United States. Bureau of Foreign and Domestic Commerce",Markets for boots and shoes in Porto Rico,,Govt. Print. Off.,1917,Special agents series,,,,https://cir.nii.ac.jp/crid/1130576266561349548