CONTRERAS, Enrique. Hunter C. Laurence, Reid L. Graham "Urban Worker Mobility". Revista Mexicana de Sociología, [S. l.], v. 30, n. 3, p. 739–741, 1968. DOI: 10.22201/iis.01882503p.1968.3.58381. Disponível em: https://revistamexicanadesociologia.unam.mx/index.php/rms/article/view/58381. Acesso em: 23 abr. 2025.