Leo XIII, P. (1936). On the condition of the working classes (Rerum novarum): Encyclical of His Holiness Pope Leo XIII : arranged for study clubs, with questions and references. New York.
Citace podle Chicago (17th ed.)Leo XIII, Pope. On the Condition of the Working Classes (Rerum Novarum): Encyclical of His Holiness Pope Leo XIII : Arranged for Study Clubs, with Questions and References. New York, 1936.
Citace podle MLA (8th ed.)Leo XIII, Pope. On the Condition of the Working Classes (Rerum Novarum): Encyclical of His Holiness Pope Leo XIII : Arranged for Study Clubs, with Questions and References. New York, 1936.
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