Nivárrez, Agustín Lagos (10 December 2010). "Julieta Castellanos Ruiz". El Heraldo (in Spanish). Archived from the original on 11 April 2014. Retrieved 29 March 2015.
Nivárrez, Agustín Lagos (10 December 2010). "Julieta Castellanos Ruiz". El Heraldo (in Spanish). Archived from the original on 11 April 2014. Retrieved 29 March 2015.