Catholic Church. Secretariatus pro Non Credentibus & United States Catholic Conference. (1968). On dialogue with non-believers. United States Catholic Conference.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Catholic Church. Secretariatus pro Non Credentibus و United States Catholic Conference. On Dialogue with Non-believers. Washington, D.C.: United States Catholic Conference, 1968.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Catholic Church. Secretariatus pro Non Credentibus و United States Catholic Conference. On Dialogue with Non-believers. United States Catholic Conference, 1968.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.