Gonzalez, Paz, y Henk Verkuyl. «A binary approach to Spanish tense and aspect: on the tense battle about the past». Borealis – An International Journal of Hispanic Linguistics 6, no. 1 (mayo 30, 2017): 97–138. Accedido julio 25, 2026. https://septentrio.uit.no/index.php/borealis/article/view/4096.