@Misc{BVMC:221386,
author = {Valera, Juan},
title = {Canciones, romances y poemas},
publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes ; Madrid : Biblioteca Nacional, 2003},
year = {2003},
url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc1j979}
}