"El Cultural". El Cultural (in Spanish). Retrieved 19 February 2019.
elcultural.es
Palomo, Juan (November 2007). "La papelera de Juan Palomo". ElCultural.es (in Spanish). Archived from the original on 11 April 2011. Retrieved 19 February 2019.
Palomo, Juan (November 2007). "La papelera de Juan Palomo". ElCultural.es (in Spanish). Archived from the original on 11 April 2011. Retrieved 19 February 2019.