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
"Porterfield, Allen Wilson, b. 1877 and Hartmann, Jacob Wittmer",Karl Lebrecht Immermann : a study in German romanticism . The Gǫngu-Hrólfssaga : a study in old Norse philology,,Ams Press,1966,Columbia University Germanic studies,,,,https://cir.nii.ac.jp/crid/1130282273110502912