Richardson, C., & Pisani, M. J. (2012). The informal and underground economy of the South Texas border. University of Texas Press.
Lua i Stíl Chicago (17ú heag.)Richardson, Chad, agus Michael J. Pisani. The Informal and Underground Economy of the South Texas Border. Austin: University of Texas Press, 2012.
Lua MLA (9ú heag.)Richardson, Chad, agus Michael J. Pisani. The Informal and Underground Economy of the South Texas Border. University of Texas Press, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.