1. Agronin, M. E., & Maletta, G. J. (2006). Principles and practice of geriatric psychiatry. Philadelphia, PA: Lippincott Williams and Wilkins.
2. Ahmed, I., & Takeshita, J. (1997). Biopsychosocial approaches in primary care: State of the art and challenges for the 21st century. In H. Leigh (Eds.) New York, NY: Plenum Press.
3. Albert, M. S., & Moss, M. B. (1988). Geriatric neuropsychology. New York, NY: Guilford.
4. Alexopoulos, G. S., & Kelly, R. E., Jr. (2009). Research advances in geriatric depression. World Psychiatry, 8, 140–149.
5. Alexopoulos, G. S., Kiosses, D. N., Klimstra, S., Kalayam, B., & Bruce, M. L. (2002). Clinical Presentation of the “Depression-Executive Dysfunction Syndrome” of late life. American Journal of Geriatric Psychiatry 2002, 10(1), 98–106.