FAYA CERQUEIRO, Fátima. Letter-writing manuals and the evolution of requests markers in the eighteenth century. Revista de Lenguas para Fines Específicos, [S. l.], v. 17, p. 295–318, 2011. Disponível em: https://ojsspdc.ulpgc.es/ojs/index.php/LFE/article/view/119. Acesso em: 28 abr. 2024.