REVISTA MEXICANA DE SOCIOLOGÍA, RMS. "Notes concerning a Language-Nation Typology", en Language Problems of Developing Nations by Heinz Kloss, J. A. Fishman, C. A. Ferguson, J. Das Gupta. Revista Mexicana de Sociologí­a, [S. l.], v. 33, n. 1, p. 238–239, 1971. DOI: 10.22201/iis.01882503p.1971.1.58265. Disponível em: http://132.248.234.93/index.php/rms/article/view/58265. Acesso em: 25 feb. 2025.