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
"Bjornson, Bjornstjerne Martinius and Haugen, Eva Lund and Haugen, Einar Ingvald","Land of the free : Bjørnstjerne Bjørnson's America letters, 1880-1881",,Norwegian-American Historical Association,1978,Authors series,,,,https://cir.nii.ac.jp/crid/1130000795742584832