1. Alwin, D. F. & Campbell, R. T. (2001). Quantitative approaches: Longitudinal methods in the study of human development and aging. In R.H. Binstock & L. K. George (Eds.), Handbook of aging and the social sciences (pp. 22-43). San Diego, CA: Academic Press.
2. Baltes, P. B., Smith, J. & Studinger, U. M. (1992). Wisdom and successful aging. In T. B. Sonderegger (Ed.), Nebraska symposium on motivation: Psychology and aging (pp. 123-167). Lincoln: University of Nebraska Press.
3. Cohort Difference in Interpersonal Conflict: Implications for the Older Patient-Younger Care Provider Interaction
4. Bigner, J. J. (1994). Individual and family development: A life-span interdisciplinary approach. Englewood Cliffs, NJ: Prentice-Hall.