1. If God is Dead, Is Everything Permitted?;Anderson,2007
2. Congregation on the Doctrine of the Faith, 2008. Instruction Dignitas Personae on Certain Bioethical Questions, Vatican City.
3. The God Delusion;Dawkins,2006
4. Breaking the Spell;Dennett,2006
5. The Foundations of Christian Bioethics;Engelhardt,2000