Hanson, G. (2010). Regulating low-skilled immigration in the United States. AEI Press.
Chicago-čujuhus (17. p.)Hanson, Gordon. Regulating Low-skilled Immigration in the United States. Washington, D.C.: AEI Press, 2010.
MLA-čujuhus (9. p.)Hanson, Gordon. Regulating Low-skilled Immigration in the United States. AEI Press, 2010.
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