Rooryck, Johan. 2001. Evidentiality, Part I. Glot International 5(4): 125-133; Part II. Glot International 5(5): 161-168.
Roseano, Paolo, Montserrat González, Joan Borràs-Comes y Pilar Prieto. 2016. Communicating epistemic stance: How speech and gesture patterns...
Sánchez-Alonso, Sara, Ashwini Deo y María Mercedes Piñango. 2017. Copula Distinction and Constrained Variability of Copula Use in Iberian...
Speas, Margaret. 2008. On the Syntax and Semantics of Evidentials. Language and Linguistics Compass 2(5): 940-965. http://dx.doi.org/10.1111/j.1749-818X.2008.00069.x.