@Misc{BVMC:278460, author = {Giusti, Roberto F.}, title = {Prólogo a "El pensamiento de Echeverría"}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2010}, year = {2010}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc2z1r3} }