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
"Croce, Benedetto and Gentile, Giovanni and Croce, Alda",Lettere a Giovanni Gentile (1896-1924),1a ed,A. Mondadori,1981,"Diari, memorie e lettere",,,,https://cir.nii.ac.jp/crid/1130282273351793408