Catholic Church. Pope (1939-1958 : Pius XII). (1939). Summi pontificatus: Encyclical letter of Pope Pius XII on the function of the state in the modern world (official Vatican English translation with discussion study club outline). National Catholic welfare conference.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিCatholic Church. Pope (1939-1958 : Pius XII). Summi Pontificatus: Encyclical Letter of Pope Pius XII on the Function of the State in the Modern World (official Vatican English Translation with Discussion Study Club Outline). Washington, D. C.: National Catholic welfare conference, 1939.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিCatholic Church. Pope (1939-1958 : Pius XII). Summi Pontificatus: Encyclical Letter of Pope Pius XII on the Function of the State in the Modern World (official Vatican English Translation with Discussion Study Club Outline). National Catholic welfare conference, 1939.