X. X., I. M. B., F. V. I., S. S., S. M. A., J. M. G., and S. A. “Recensiones”. ECA: Estudios Centroamericanos 28, no. 293-294 (April 30, 1973): 209–220. Accessed August 10, 2025. https://revistas.uca.edu.sv/index.php/eca/article/view/9976.