Catholic Church. Pope (1958-1963 : John XXIII) & John XXIII, P. (1963). Pacem in terris: Encyclical letter of Pope John XXIII on peace on earth. Our Sunday Visitor.
Citace podle Chicago (17th ed.)Catholic Church. Pope (1958-1963 : John XXIII) a Pope John XXIII. Pacem in Terris: Encyclical Letter of Pope John XXIII on Peace on Earth. Huntington, Ind.: Our Sunday Visitor, 1963.
Citace podle MLA (8th ed.)Catholic Church. Pope (1958-1963 : John XXIII) a Pope John XXIII. Pacem in Terris: Encyclical Letter of Pope John XXIII on Peace on Earth. Our Sunday Visitor, 1963.
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