@Book{BVMC:947075, author = {Costa Rica. Congreso Constitucional}, title = {Decreto CXXXIV de 31 de agosto de 1848 del Congreso de Costa Rica proclamando la República}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2019}, year = {2019}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc0947075} }