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
"Rusten, Kristian A.",Referential null subjects in early English,,Oxford University Press,2019,Oxford studies in diachronic and historical linguistics,,9780198808237,,https://cir.nii.ac.jp/crid/1130000795984006016