Doval Suárez, Susana, and Elsa González Álvarez. “The Use of It-Clefts in the Written Production of Spanish Advanced Learners of English”. Linguistics and the Human Sciences, vol. 6, no. 1-3, Dec. 2012, pp. 151-72, https://doi.org/10.1558/lhs.v6i1-3.151.