1. & ( 1997). Psychological testing (7th ed.). New York: Macmillan.
2. Cognitive functioning of older people in relation to social and personality variables.
3. , & ( 1985). Aging and self-conceptions: Personality processes and social contexts. In & (Eds.), Handbook of the psychology of aging (pp. 544–593). New York: Van Nostrand Reinhold.
4. , & ( 1996). Paradoxes of families and aging. In & (Eds.), Handbook of aging and the social sciences (pp. 254–282). San Diego: Academic Press.
5. ( 1973). Age and behavior. New York: Springer.