Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
,"South Indian Ocean pilot : Comores, Madagascar, Seychelles Group, La Réunion, Mauritius, Chagos Archipelago and other islands lying westward of longitude 90° East",12th ed,United Kingdom Hydrographic Office,2008,N.P.,,9780707718552,,https://cir.nii.ac.jp/crid/1130282271820774272