Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Pérez de Ayala, Ramón and Amorós, Andrés",Las novelas de Urbano y Simona,2. ed,Alianza Editorial,1973,El libro de bolsillo,,8420611778,,https://cir.nii.ac.jp/crid/1130282271844800768