Larsen Pehrzon, Mariann. “Anti-Natural Grammars: Some Cultural Issues”. Estudios Ingleses de la Universidad Complutense, no. 6 (January 1, 1998): 13. Accessed December 7, 2025. https://revistas.ucm.es/index.php/EIUC/article/view/EIUC9898110013A.