European Centre for Christian Ethics. (1994). Ethical Perspectives. Centre for Christian Ethics.
Cita Chicago Style (17a ed.)European Centre for Christian Ethics. Ethical Perspectives. Leuven (Belgium): Centre for Christian Ethics, 1994.
Cita MLA (9a ed.)European Centre for Christian Ethics. Ethical Perspectives. Centre for Christian Ethics, 1994.
Precaución: Estas citas no son 100% exactas.