توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

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.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Catholic Church. Pope (1914-1922 : Benedict XV) و 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.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Catholic Church. Pope (1914-1922 : Benedict XV) و 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.