Law and Bioethics: Current Legal Issues Volume 11. : Oxford University Press, 2008-10-02. Oxford Scholarship Online. 2009-01-01. Date Accessed 18 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199545520.001.0001/acprof-9780199545520>.
(2008-10-02). Law and Bioethics: Current Legal Issues Volume 11. : Oxford University Press. Retrieved 18 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199545520.001.0001/acprof-9780199545520.
Law and Bioethics: Current Legal Issues Volume 11. : Oxford University Press, 2008-10-02. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199545520.001.0001/acprof-9780199545520.
Freeman M. Law and Bioethics: Current Legal Issues Volume 11. Oxford University Press; 2008. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199545520.001.0001/acprof-9780199545520. Accessed May 18, 2013.