APA-referens (7:e uppl.)

Catholic Church. Pope (1939-1958: Pius XII) & Catholic Church. Pope (1963-1978 : Paul VI). (1953). Six social documents of His Holiness Pope Pius XII: And a letter of His Excellency Monsignor Montini. Our Sunday Visitor Press.

Chicago-referens (17:e uppl.)

Catholic Church. Pope (1939-1958: Pius XII) och Catholic Church. Pope (1963-1978 : Paul VI). Six Social Documents of His Holiness Pope Pius XII: And a Letter of His Excellency Monsignor Montini. Huntington, Ind.: Our Sunday Visitor Press, 1953.

MLA-referens (8:e uppl.)

Catholic Church. Pope (1939-1958: Pius XII) och Catholic Church. Pope (1963-1978 : Paul VI). Six Social Documents of His Holiness Pope Pius XII: And a Letter of His Excellency Monsignor Montini. Our Sunday Visitor Press, 1953.