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
"Seward, Valerie and Wilton Park Conference",German foreign policy challenges after unification,,HMSO,1993,Wilton Park papers,,0117017930,,https://cir.nii.ac.jp/crid/1130000795515730304