1. Arnold, C. K., Heller, T., & Kramer, J. (2012). Support needs of siblings of people with developmental disabilities. Intellectual and Developmental Disabilities, 50(5), 373–382.
2. Beart, S., Hardy, G., & Buchan, L. (2004). Changing selves: A grounded theory account of belonging to a self-advocacy group for people with intellectual disabilities. Journal of Applied Research in Intellectual Disabilities, 17(2), 91–100.
3. Bengston, V. L., & Black, K. D. (1973). Intergenerational relations and continuities insocialization. In P. Baltes & W. Schaie (Eds.), Life-span development psychology: Personality and socialization (pp. 207–234). New York: Academic Press.
4. Birnbaum, M. H. (2004). Human research and data collection via the internet. Annual Review of Psychology, 55, 803–832.
5. Bittles, A. H., Petterson, B. A., Sullivan, S. G., Hussain, R., Glasson, E. J., & Montgomery, P. D. (2002). The influence of intellectual disability on life expectancy. Journal of Gerontology, 57A, M470–M472.