Silva Neto, Mayara da, and Elisabetta Santoro. “Politeness in Requests in Italian: A Comparative Study on the Perception of Brazilians and Italians”. Revista De Italianística, no. 30, Dec. 2015, pp. 80-110, https://doi.org/10.11606/issn.2238-8281.v0i30p80-110.