Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Menéndez Pidal, Ramón and Reyes, Alfonso and Conde, Juan Carlos",Cantar de mio Cid,33a ed,Espasa Calpe,2008,Colección Austral,,9788467021547,,https://cir.nii.ac.jp/crid/1130000795023006336