@Book{BVMC:755651, author = {Velázquez de Velasco, Luis José, Marqués de Valdeflores}, title = {Orígenes de la poesía castellana}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2022}, year = {2022}, url = {https://www.cervantesvirtual.com/obra/origenes-de-la-poesia-castellana} }