1. US Bureau of the Census. Profile of Selected Social Characteristics: 2000 (Table DP-2, Matrices P19, P20, PCT13, and PCT14). Retrieved August 28, 2007 from http://www.factfinder.census.gov/servlet/MetadataBrowserServlet?type=dataset&id=DEC_2000_SF3_U&_lang=en.
2. Andrulis D, Goodman N, Pryor N. What a difference an interpreter can make: health care experiences of uninsured with limited English proficiency. Boston, MA: The Access Project; April 2003.
3. David RA, Rhee B. The impact of language as a barrier to effective health care in an underserved urban Hispanic community. Mt Sinai J Med. 1998;65(5,6):393–397.
4. Wirthlin Worldwide. Hablamos Juntos: We Speak Together, Final Report (2001). Retrieved August 22, 2007 from http://www.hablamosjuntos.org/pdf_files/wirthlin_report.pdf.