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 "Petrarca, Francesco and Thompson, David",Petrarch : a humanist among princes : an anthology of Petrarch's letters and of selections from his other works,1st Harper paperback ed,Harper & Row,1971,Harper & Row,,006131529X,,https://cir.nii.ac.jp/crid/1130000796228312576