1. Orentlicher, David. 2001. Matters of life and death: Making moral theory work in medical ethics and the law. Princeton: Princeton University Press.
2. Fins, Joseph J. 2006. A palliative ethic of care: Clinical wisdom at life’s end. Sudbury, MA: Jones and Bartlett.
3. Beauchamp, Tom L., and James F. Childress. 2009. Principles of biomedical ethics. 6th ed. Oxford: Oxford University Press.
4. Veatch, Robert M. 2003. The basics of bioethics. 2nd ed. Upper Saddle River, NJ: Prentice Hall.
5. Wilkinson, Dominic and Julian Savulescu. 2014. A costly separation between withdrawing and withholding treatment in intensive care. Bioethics 28: 127–137.