Catholic Church. Secretariatus pro Non Credentibus & United States Catholic Conference. (1968). On dialogue with non-believers. United States Catholic Conference.
Chicago-viite (17. p.)Catholic Church. Secretariatus pro Non Credentibus ja United States Catholic Conference. On Dialogue with Non-believers. Washington, D.C.: United States Catholic Conference, 1968.
MLA-viite (8. p.)Catholic Church. Secretariatus pro Non Credentibus ja United States Catholic Conference. On Dialogue with Non-believers. United States Catholic Conference, 1968.
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