Catholic Church. Secretariatus pro Non Credentibus & United States Catholic Conference. (1968). On dialogue with non-believers. United States Catholic Conference.
Chicago-referens (17:e uppl.)Catholic Church. Secretariatus pro Non Credentibus och United States Catholic Conference. On Dialogue with Non-believers. Washington, D.C.: United States Catholic Conference, 1968.
MLA-referens (8:e uppl.)Catholic Church. Secretariatus pro Non Credentibus och United States Catholic Conference. On Dialogue with Non-believers. United States Catholic Conference, 1968.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.