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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLeo 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.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLeo 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.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.