Source timeline

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    Source Timeline

  • 6. Bermingham, John. “Immigration: Not a Solution to Problems of Population Decline and Aging.” Springer. Kluwer Academic Publishers-Plenum Publishers

  • 4. Coppel, J., J. Dumont and I. Visco (2001), “Trends in Immigration and Economic Consequences”, OECD Economics Department Working Papers, No. 284, OECD Publishing.

  • 2. Borjas, George. Freeman, Richard. “Immigration and the Work Force: Economic Consequences for the United States.”

  • 1. Card, David. Inman, Robert. “Making Cities Work: Prospects and Policies for Urban America.” PP 156-161. Print. 12 September, 2015.

  • 7. Hoefer, Michael. Rytina, Nancy. Baker, Bryan. “Estimates of the Unauthorized Immigrant Population Residing in the United States: January 2011

  • 3. Hollifield, James. Orrenius, Pia. Martin, Phillip. “Controlling Immigration: A Global Perspective, Third Edition