Rosario de Mateo (1989). "The Evolution of the Newspaper Industry in Spain, 1939-87". European Journal of Communication. 4 (2): 211–226. doi:10.1177/0267323189004002006. S2CID220417350.
Rosario de Mateo (1989). "The Evolution of the Newspaper Industry in Spain, 1939-87". European Journal of Communication. 4 (2): 211–226. doi:10.1177/0267323189004002006. S2CID220417350.