CZEGLÉDI, Sándor. Crossing the Borderline of “Null Policy”: the U.S. Federal Congress as a Language Policy-Making Entity. FOCUS: Papers in English Literary and Cultural Studies, [S. l.], v. 5, n. 1, p. 237–252, 2006. Disponível em: https://journals.lib.pte.hu/index.php/focus/article/view/7414. Acesso em: 12 feb. 2026.