APA-viite (7. p.)

Catholic Church. Pope (1914-1922 : Benedict XV) & Benedict XV, P. Spread the faith throughout the world: An apostolic letter of His Holiness Pope Benedict XV. Society for the Propagation of the Faith.

Chicago-viite (17. p.)

Catholic Church. Pope (1914-1922 : Benedict XV) ja Pope Benedict XV. Spread the Faith Throughout the World: An Apostolic Letter of His Holiness Pope Benedict XV. New York: Society for the Propagation of the Faith.

MLA-viite (8. p.)

Catholic Church. Pope (1914-1922 : Benedict XV) ja Pope Benedict XV. Spread the Faith Throughout the World: An Apostolic Letter of His Holiness Pope Benedict XV. Society for the Propagation of the Faith.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.