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
"Lederer, Emma",Feudalism as a structure and form of society,,Akadémiai Kiadó,1970,Studia historica Academiae Scientiarum Hungaricae,,,,https://cir.nii.ac.jp/crid/1130000794805072896