Gutheil, Irene, and Margaret Souza. "Psychosocial Services at the End of Life." Handbook of Social Work in Health and Aging. : Oxford University Press, 2006-03-02. Oxford Scholarship Online. 2010-04-01. Date Accessed 19 Jun. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195173727.001.0001/acprof-9780195173727-chapter-27>.
Gutheil, I., & Souza, M.(2006-03-02). Psychosocial Services at the End of Life. In Handbook of Social Work in Health and Aging. : Oxford University Press. Retrieved 19 Jun. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195173727.001.0001/acprof-9780195173727-chapter-27.
Gutheil, Irene, and Margaret Souza. "Psychosocial Services at the End of Life." In Handbook of Social Work in Health and Aging. : Oxford University Press, 2006-03-02. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195173727.001.0001/acprof-9780195173727-chapter-27.
Gutheil I, Souza M. Psychosocial Services at the End of Life. In: Berkman B, D'Ambruoso S. Handbook of Social Work in Health and Aging. Oxford University Press; 2006. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195173727.001.0001/acprof-9780195173727-chapter-27. Accessed June 19, 2013.