1. Aiken, L. S., & West, S. G. (1991). Multiple regression: Testing and interpreting interaction. New York: Sage.
2. Ainsworth, M. D. S., Blehar, M. C., Waters, E., & Wall, S. (1978). Patterns of attachment: Psychological study of the strange situation. Hillsdale, NJ: Lawrence Erlbaum.
3. American Cancer Society (2007). Cancer facts and figures, 2007. Atlanta, GA: American Cancer Society.
4. Aneshensel, C. S., Pearlin, L. I., & Schuler, R. H. (1993). Stress, role captivity, and the cessation of caregiving. Journal of Health and Social Behavior, 34(1), 54–70.
5. Avis, N. E., Crawford, S., & Manuel J. (2005). Quality of life among younger women with breast cancer. Journal of Clinical Oncology, 23(15), 3322–3330.