Holstein, M. (1993). Women’s lives, women’s work: Productivity, gender, and aging. In S. A. Bass, F. G. Caro, & Y.-P. Chen (Eds.), Achieving a productive aging society (pp. 235-248). Westport, CT: Auburn House.
2.
Hooyman, N., & Kiyak, H. (1996). Social gerontology: A multidisciplinary perspective (4th ed.). Needham Heights, MA: Allyn & Bacon.
3.
New York City Department for the Aging. (2003). Census 2000: Changes in size and age, 1990-2000. Retrieved March 13, 2003, from http://www.nyc.gov/html/dfta/pdf/trend_cencus2000.pdf
