Pius XI, P. (1954). Encyclical letter (Quadragesimo anno) of His Holiness Pope Pius XI, on reconstructing the social order and perfecting it conformably to the precepts of the gospel, in commemoration of the fortieth anniversary of the enclyclical "Rerum novarum.". Oxford.
Citace podle Chicago (17th ed.)Pius XI, Pope. Encyclical Letter (Quadragesimo Anno) of His Holiness Pope Pius XI, on Reconstructing the Social Order and Perfecting It Conformably to the Precepts of the Gospel, in Commemoration of the Fortieth Anniversary of the Enclyclical "Rerum Novarum.". Oxford, 1954.
Citace podle MLA (8th ed.)Pius XI, Pope. Encyclical Letter (Quadragesimo Anno) of His Holiness Pope Pius XI, on Reconstructing the Social Order and Perfecting It Conformably to the Precepts of the Gospel, in Commemoration of the Fortieth Anniversary of the Enclyclical "Rerum Novarum.". Oxford, 1954.