Dyfyniad APA

Catholic Church. Pope. (1891). Encyclical letter of our Holy Father by divine providence Pope Leo XIII on the condition of labor. Baltimore, MD: John Murphy & Co..

Dyfyniad Arddull Chicago

Catholic Church. Pope. Encyclical Letter of Our Holy Father by Divine Providence Pope Leo XIII on the Condition of Labor. Baltimore, MD: John Murphy & Co., 1891.

Dyfyniad MLA

Catholic Church. Pope. Encyclical Letter of Our Holy Father by Divine Providence Pope Leo XIII on the Condition of Labor. Baltimore, MD: John Murphy & Co., 1891.

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