Ismagilova, A. R., O. G. Palutina, S. O. Pupyreva, and J. M. González. “Linguistic Diversity of Multicultural Cities on the Materials in Barcelona Ergonyms”. Utopía Y Praxis Latinoamericana, Vol. 25, no. 1, May 2020, pp. 522-9, https://produccioncientificaluz.org/index.php/utopia/article/view/31965.