National Catholic Bioethics Center. (1998). A Catholic guide to end-of-life decisions: An explanation of Church teaching on advance directives, euthanasia, and physician-assisted suicide. National Catholic Bioethics Center.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Catholic Bioethics Center. A Catholic Guide to End-of-life Decisions: An Explanation of Church Teaching on Advance Directives, Euthanasia, and Physician-assisted Suicide. Boston, MA: National Catholic Bioethics Center, 1998.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)National Catholic Bioethics Center. A Catholic Guide to End-of-life Decisions: An Explanation of Church Teaching on Advance Directives, Euthanasia, and Physician-assisted Suicide. National Catholic Bioethics Center, 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.