Enghels, R. ., y S. . Tanghe. «On the Interplay Between Historical Pragmatics and Sociolinguistics. The Case of the Spanish Pragmatic Marker Nada and Its Recent Grammaticalization Process». Onomázein, n.º 44, junio de 2019, pp. 132-65, doi:10.7764/onomazein.44.07.