1. Arias Patricia 1995. La Migración femenina en dos modelos de desarrollo: 1940-1997 y 1980-1992. In: Gonzalez M y Salles V (Eds):Relaciones de género y transformación agrarias. El Colegio de Mexico, Mexico, pp. 223-253.
2. Ayman G Zohry 2002.Rural to Urban Labor Migration: A study of Upper Egyptian Laborers in Cairo. D Phil Thesis (Unpublished). University of Sussex, England.
3. Castells M, Portes A 1989. Work Underneath: The Origins, Dynamics, and Effects of the Informal Economy. In: A. Portes, M. Castells and L. Benton (Eds.):The Informal Economy: Studies in Advanced and Less Developed Countries. USA: Johns Hopkins University Press, pp. 11-37.
4. Cornwell K, Brett Inder 2004. Migration and Unemployment in South Africa: When Motivation Surpasses the Theory.Monash Econometrics and Business Statistics Working Papers. No.2. Monash University.
5. Durin Severin, Rebeca Moreno, Cecilia Sheridan 2007. Perfil socio-demografico de las mujeres indigenas en Monterrey.Trayectorias. Vol. IX (23): 29-42. Instituto de Investigaciones Sociales, Universidad Autónoma de Nuevo Leon, Monterrey, Mexico.