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 World Bank,Pirate trails : tracking the illicit financial flows from pirate activities off the Horn of Africa,,World Bank,2013,A World Bank study,,9780821399637,,https://cir.nii.ac.jp/crid/1130000794924292224