Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Alonso, Amado",Materia y forma en poesía,"3a ed., 2a. reimpresión",Gredos,1977,Biblioteca románica hispánica,,"842490138X,8424901371",,https://cir.nii.ac.jp/crid/1130282273284755968