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 Imperial Shipping Committee (Gt. Britain) and Great Britain. Board of Trade,"Report on the Harbour of Port Louis, Mauritius",,H.M.S.O.,1931,Cmd,,,,https://cir.nii.ac.jp/crid/1130282269285853184