1. Andersson, F., Holzer, H. J., & Lane, J. I. (2003). Worker advancement in the low-wage labor market: The importance of ‘good jobs’. Retrieved February 5, 2004, from the Brookings Institution's website: http://www.brookings.edu/es/urban/publications/200310_holzer.htm
2. Bernstein, J. & Hartmann, H. (1999). Defining and characterizing the low-wage labor market. In: K. Kaye, & D.S. Nightingale (Eds.), The low-wage labor market: Challenges and opportunities for economic self-sufficiency. Retrieved February 4, 2004, from http://aspe.hhs.gov/hsp/lwlm99/bernhart.htm#Characteristics
3. Single mothers, poverty, and depression;Brown;Psychological Medicine,1997
4. Low-earners: Who are they? Do they have a way out?;Carnevale,2001
5. Centers for Medicare and Medicaid Services (CMMS). (2004). Nursing home compare. Accessed February 27, 2004: http://www.medicare.gov/nhcompare/home.asp