1. US Bureau of the Census. The foreign-born population in the United States: 2003. Current Population Reports [serial online]. 2004;P20-551:1–9. Available at: U.S. Bureau of the Census, Washington, DC; http://www.census.gov/prod/2004pubs/p20-551.pdf. Last assessed on December 30, 2005.
2. , . Undocumented immigrants: Facts and figures. Urban Institute [serial online]. 2004;1–4. Available at: Urban Institute, Washington, DC; http://www.urban.org/url.cfm?ID=1000587. Last accessed on December 15, 2004.
3. New York City Department of City Planning. The Newest New Yorkers 2000: Immigrant New York in the New Millennium. New York: Department of City Planning; 2004.
4. New York City Department of City Planning. Information on the components of change in the city's population (births, death, migration). Available at: http://www.nyc.gov/html/dcp/html/census/popcur.html#b. Last accessed on January 24, 2005.