Richardson, C., & Pisani, M. J. (2012). The informal and underground economy of the South Texas border. University of Texas Press.

Richardson, Chad, and Michael J. Pisani. The Informal and Underground Economy of the South Texas Border. Austin: University of Texas Press, 2012.

Richardson, Chad, and Michael J. Pisani. The Informal and Underground Economy of the South Texas Border. University of Texas Press, 2012.