Vargas Hernández, Ana Sofía , trans. “La Paradoja (Autor: James C. Hunter. Ediciones Urano, 1999)”. Revista Electrónica Educare, no. 5 (June 30, 2004): 157–158. Accessed May 25, 2024. https://www.revistas.una.ac.cr/index.php/EDUCARE/article/view/1058.