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,"Dover Strait pilot : south-east coast of England, Bognor Regis to Southwold and north-west coast of Europe, Cap d'Antifer to Scheveningen",6th ed,United Kingdom Hydrographic Office,2002,N.P.,,0707714354,,https://cir.nii.ac.jp/crid/1130282271177869568