APA (7 ম সংস্করণ) উদ্ধৃতি

Catholic Church. Pope (1922-1939 : Pius XI). (1935). Forty years after: Reconstructing the social order : Encyclical letter of His Holiness Pope Pius XI. National Catholic Welfare Conference.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Catholic Church. Pope (1922-1939 : Pius XI). Forty Years After: Reconstructing the Social Order : Encyclical Letter of His Holiness Pope Pius XI. Washington, D.C.: National Catholic Welfare Conference, 1935.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Catholic Church. Pope (1922-1939 : Pius XI). Forty Years After: Reconstructing the Social Order : Encyclical Letter of His Holiness Pope Pius XI. National Catholic Welfare Conference, 1935.