Rodríguez Mérida, Rosa María. “The Object in Dust Jackets by Daniel Gil: Artistic Influence on the Conceptualisation of the Graphic Image in His Book Covers”. Revista de Bellas Artes. Artes Plásticas, Estética, Diseño E Imagen, no. 11, Apr. 2011, pp. 263-8, https://www.ull.es/revistas/index.php/artes/article/view/5291.