@Misc{BVMC:278889, author = {Sarmiento, Domingo Faustino}, title = {Carta de Domingo Faustino Sarmiento a Esteban Echeverría (12-12-1849)}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2010}, year = {2010}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc3x8s3} }