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 Great Britain. Hydrographic Department,Global maritime distress and safety system (GMDSS),1st ed.,United Kingdom Hydrographic Office,2020,N.P.,,9780707747026,,https://cir.nii.ac.jp/crid/1130568596572521608