Clement, Norris C., and Iliana L. Sonntag. “U.S. Periodical Reporting on Mexico, 1960-1985”. Frontera Norte 1, no. 2 (August 17, 2017): 91–103. Accessed October 24, 2025. https://fronteranorte.colef.mx/index.php/fronteranorte/article/view/1655.