@Book{BVMC:1133903, author = {Alfonso X, Rey de Castilla}, title = {Cantigas de Santa María}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2021}, year = {2021}, url = {https://www.cervantesvirtual.com/obra/cantigas-del-rey-alfonso-el-sabio-1133903} }