Segal, Uma A. "United States: The Changing Face of the United States of America." Immigration Worldwide: Policies, Practices, and Trends. : Oxford University Press, 2009-12-15. Oxford Scholarship Online. 2010-02-01. Date Accessed 22 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195388138.001.0001/acprof-9780195388138-chapter-3>.
Segal, U.(2009-12-15). United States: The Changing Face of the United States of America. In Immigration Worldwide: Policies, Practices, and Trends. : Oxford University Press. Retrieved 22 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195388138.001.0001/acprof-9780195388138-chapter-3.
Segal, Uma A. "United States: The Changing Face of the United States of America." In Immigration Worldwide: Policies, Practices, and Trends. : Oxford University Press, 2009-12-15. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195388138.001.0001/acprof-9780195388138-chapter-3.
Segal UA. United States: The Changing Face of the United States of America. In: Segal UA, Elliott D, Mayadas NS. Immigration Worldwide: Policies, Practices, and Trends. Oxford University Press; 2009. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195388138.001.0001/acprof-9780195388138-chapter-3. Accessed May 22, 2013.