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
Hugo's Language Institute,"Norwegian in three months : grammar, exercises, conversation and reading : an easy rapid self-instructor with the pronunciation exactly imitated",,Hugo's Language Books,1958,Hugo's simplified system,,0852850301,,https://cir.nii.ac.jp/crid/1130000797101257856