Catholic Church. Pope (1958-1963 : John XXIII), Campion, D. R., & Culhane, E. K. (1961). Mater et magistra: Christianity and social progress ; an encyclical letter of Pope John XXIII. The America Press.
Citace podle Chicago (17th ed.)Catholic Church. Pope (1958-1963 : John XXIII), Donald R. Campion, a Eugene K. Culhane. Mater Et Magistra: Christianity and Social Progress ; an Encyclical Letter of Pope John XXIII. New York: The America Press, 1961.
Citace podle MLA (8th ed.)Catholic Church. Pope (1958-1963 : John XXIII), et al. Mater Et Magistra: Christianity and Social Progress ; an Encyclical Letter of Pope John XXIII. The America Press, 1961.
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