Barbosa, J. (2017). K. David HARRISON. When languages die: the extinction of the world languages and the erosion of human knowledge. Oxford: Oxford University Press, 2007. 292 pp. ISBN – 978-0-19-537206-9 . Linguística: Revista De Estudos Linguísticos Da Universidade Do Porto, 7, 205–208. Obtido de https://ojstest.xyz/ojsletrasX/index.php/EL/article/view/2729