@Misc{BVMC:615869, author = {Colegio Miguel Íscar (Valladolid)}, title = {Buenos tratos buenos ratos}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2014}, year = {2014}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc1k148} }