@Misc{BVMC:289960, author = {Calderón de la Barca, Pedro}, title = {Darlo todo, y no dar nada}, publisher = {Santander : Ayuntamiento ; Alicante : Biblioteca Virtual Miguel de Cervantes, 2012}, year = {2012}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmckh174} }