1. Adepoju, A., Van Noorloos, F., & Zoomers, A. (2010). Europe’s Migration Agreements with Migrant-sending Countries in the Global South: A Critical Review. International Migration, 48, 42–75.
2. Alcalá, M. J. (2006). State of World Population 2006: A Passage to Hope, Women and International Migration. Geneva: Policy Analysis and Research Branch of UNODC. United National Population Fund. http://www.unfpa.org/swp/2006/pdf/en_sowp06.pdf .
3. Alden, E., & Taylor-Kale, L. (2018). The Work Ahead: Machines, Skills, and U.S. Leadership in the Twenty-First Century (pp. 148). Independent Task Force Report No. 76. New York, NY: Council on Foreign Relations.
4. Alden, E., & Strauss, R. (2016). How America Stacks Up: Economic Competitiveness and U.S. Policy. New York, NY: Council on Foreign Relations.
5. Andreas, P. (2000). Border Games: Policing the U.S.-Mexico Divide. Ithaca, NY: Cornell University Press.