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 "Percy, Eustace",Maritime trade in war : lectures on the freedom of the seas,,"Published for the Institute of Politics by Yale University Press,Oxford University Press",1930,The Institute of Politics publications,,,,https://cir.nii.ac.jp/crid/1130000795007269888