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
"Butler, David and Ranney, Austin",Referendums : a comparative study of practice and theory,,American Enterprise Institute for Public Policy Research,1978,AEI studies,,0844733180,,https://cir.nii.ac.jp/crid/1130000795091115648