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,"West coast of India pilot : Maldives, Lakshadweep, Sri Lanka, with Palk Bay, the west coast of India, the coast of Pakistan",15th ed,United Kingdom Hydrographic Office,2007,N.P.,,9780707718156,,https://cir.nii.ac.jp/crid/1130282272074969600