GRAD, Anton. De l’origine du mot slovene borjač. Linguistica, Ljubljana, SI, v. 13, n. 1, p. 198–209, 1973. DOI: 10.4312/linguistica.13.1.198-209. Disponível em: https://journals.uni-lj.si/linguistica/article/view/5216. Acesso em: 17 nov. 2025.