(PDF)于2016-08-12). Angel Arrese et. al. The Media in Spain. Alan B. Albarran (编). The Handbook of Spanish Language Media. New York: Rouledge. 2009 [2015-04-28]
Christian Frontier against al-Andalus (Muslim Spain): concept and politics during the reigns of King Fernando I of Castile and Leon and his successors until
[2014-11-28]. ISBN 978-0-415-33779-3. (原始内容存档于2016-01-06). Circulation of El Pais (Spain) from 1999 to 2018. [2019-05-10]. (原始内容存档于2019-05-10). Jagdeep S