Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Sommerfelt, Alf and Marm, Ingvald",Norwegian : a book of self-instruction in the Norwegian bokmål,New ed / completely revised and enlarged by Ingvald Marm,Hodder and Stoughton,1967,Teach yourself books,,"0340262850,0679102213",,https://cir.nii.ac.jp/crid/1130282271534625408