Catholic Church. Pope (1922-1939 : Pius XI) & Pius XI, P. Why a retreat?: "Mens nostra," the encyclical of Pope Pius XI on Laymen's retreats. Paulist Press.
Style de citation Chicago (17e éd.)Catholic Church. Pope (1922-1939 : Pius XI) et Pope Pius XI. Why a Retreat?: "Mens Nostra," the Encyclical of Pope Pius XI on Laymen's Retreats. New York: Paulist Press.
Style de citation MLA (8e éd.)Catholic Church. Pope (1922-1939 : Pius XI) et Pope Pius XI. Why a Retreat?: "Mens Nostra," the Encyclical of Pope Pius XI on Laymen's Retreats. Paulist Press.
Attention : ces citations peuvent ne pas être correctes à 100%.