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 "Twomey, Anne",The veiled sceptre : reserve powers of heads of state in Westminster systems,,Cambridge University Press,2020,Cambridge studies in constitutional law,,9781108799300,,https://cir.nii.ac.jp/crid/1130004957807825024