E. Shenk, «Puerto Rico and the United States: The Inclusion and Evolution of Language Policy in U.S. Congressional Bills, 1989-2010: PUERTO RICO AND THE UNITED STATES: THE INCLUSION AND EVOLUTION OF LANGUAGE POLICY IN U.S. CONGRESSIONAL BILLS, 1989-2010», recaesin, n.º 71, pp. 103–118, dic. 2015, Accedido: nov. 11, 2026. Disponible en: https://www.ull.es/revistas/index.php/estudios-ingleses/article/view/3641