Amery, Justin, Joan Marston, and Nkosazana Ngidi. "Ethics and law." Children's Palliative Care in Africa. : Oxford University Press, 2009-07-30. Oxford Scholarship Online. 2011-11-17. Date Accessed 23 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199567966.001.0001/acprof-9780199567966-chapter-17>.
Amery, J., Marston, J., & Ngidi, N.(2009-07-30). Ethics and law. In Children's Palliative Care in Africa. : Oxford University Press. Retrieved 23 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199567966.001.0001/acprof-9780199567966-chapter-17.
Amery, Justin, Joan Marston, and Nkosazana Ngidi. "Ethics and law." In Children's Palliative Care in Africa. : Oxford University Press, 2009-07-30. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199567966.001.0001/acprof-9780199567966-chapter-17.
Amery J, Marston J, Ngidi N. Ethics and law. In: Amery J. Children's Palliative Care in Africa. Oxford University Press; 2009. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199567966.001.0001/acprof-9780199567966-chapter-17. Accessed May 23, 2013.