1. U.S. Census Bureau: Population and Housing Statistics 2000. U. S. Census Bureau, Population and Housing. (accessed September 12, 2007), [ http://www.factfinder.census.gov ]
2. Carroll D, Samardick RM, Bernard S, Gabbard S, Hernandez H: Findings from the National Agricultural Workers Survey (NAWS) 2001–2002. Research Report No. 9. 2005, Washington, DC: U.S. Department of Labor
3. Villarejo D: The health of U.S. hired farm workers. Ann Rev Pub Hlth. 2003, 24: 175-193. 10.1146/annurev.publhealth.24.100901.140901.
4. Villarejo D, Lighthall D, Williams D, Souter A, Mines R, Bade B, Samuels S, McCurdy SA: Suffering in silence: A report on the health of California's agricultural workers. 2000, Davis, Cal.: California Institute for Rural Studies
5. Quandt SA, Clark HM, Rao P, Arcury TA: Oral health of children and adults in Latino migrant and seasonal farmworker families. J Immigrant and Minority Hlth. 2007, 9 (3): 229-235. 10.1007/s10903-006-9033-7.