@Book{BVMC:243158, author = {Vega, Lope de}, title = {El amigo hasta la muerte : comedia famosa}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes ; Madrid : Biblioteca Nacional, 2007}, year = {2007}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcqc014} }