Quill, Timothy E. "Nonabandonment: A Central Obligation of Physicians ." Caring for Patients at the End of Life: Facing an Uncertain Future Together. : Oxford University Press, 2001-05-24. Oxford Scholarship Online. 2011-11-17. Date Accessed 25 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195139402.001.0001/acprof-9780195139402-chapter-6>.
Quill, T.(2001-05-24). Nonabandonment: A Central Obligation of Physicians . In Caring for Patients at the End of Life: Facing an Uncertain Future Together. : Oxford University Press. Retrieved 25 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195139402.001.0001/acprof-9780195139402-chapter-6.
Quill, Timothy E. "Nonabandonment: A Central Obligation of Physicians ." In Caring for Patients at the End of Life: Facing an Uncertain Future Together. : Oxford University Press, 2001-05-24. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195139402.001.0001/acprof-9780195139402-chapter-6.
Quill TE. Nonabandonment: A Central Obligation of Physicians . In: Quill T. Caring for Patients at the End of Life: Facing an Uncertain Future Together. Oxford University Press; 2001. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195139402.001.0001/acprof-9780195139402-chapter-6. Accessed May 25, 2013.