Murphy, Nancey, and Warren S. Brown. "Avoiding Cartesian Materialism." Did My Neurons Make Me Do It?: Philosophical and Neurobiological Perspectives on Moral Responsibility and Free Will. : Oxford University Press, 2007-05-01. Oxford Scholarship Online. 2007-09-01. Date Accessed 21 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199215393.001.0001/acprof-9780199215393-chapter-2>.
Murphy, N., & Brown, W.(2007-05-01). Avoiding Cartesian Materialism. In Did My Neurons Make Me Do It?: Philosophical and Neurobiological Perspectives on Moral Responsibility and Free Will. : Oxford University Press. Retrieved 21 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199215393.001.0001/acprof-9780199215393-chapter-2.
Murphy, Nancey, and Warren S. Brown. "Avoiding Cartesian Materialism." In Did My Neurons Make Me Do It?: Philosophical and Neurobiological Perspectives on Moral Responsibility and Free Will. : Oxford University Press, 2007-05-01. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199215393.001.0001/acprof-9780199215393-chapter-2.
Murphy N, Brown WS. Avoiding Cartesian Materialism. In: Murphy N, Brown WS. Did My Neurons Make Me Do It?: Philosophical and Neurobiological Perspectives on Moral Responsibility and Free Will. Oxford University Press; 2007. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199215393.001.0001/acprof-9780199215393-chapter-2. Accessed May 21, 2013.