1. Adler, N. E., Boyce, T., Chesney, M. A., Cohen, S., Folkman, S., Kahn, R. L., et al. (1994). Socioeconomic status and health: The challenge of the gradient. American Psychologist, 49, 15–24.
2. Akisaka, M., Suzuki, M., & Inoko, H. (1997). Molecular genetic studies on DNA polymorphism of the HLA class II genes associated with human longevity. Tissue Antigens, 50, 489–493.
3. Akiyama, H., & Antonucci, T. (2002). Changing lifestyle of older Japanese: Seeking independence and solidarity. Paper presented at the Symposium on the Ways Some Japanese Live Now: Three Problematic Age Groups, University of Michigan, Ann Arbor.
4. Allen, M. (2002). Identity and resistance in Okinawa. Lanham, MD: Rowman & Littlefield.
5. Amoss, P. T., & Harrell, S. (Eds.) (1981). Other ways of growing old: Anthropological perspectives. Stanford, CA: Stanford University Press.