Kelber, H. C. (1988). Human Rights for Working People: A Trade Union Commentary on the "Pastoral Letter on Catholic Social Teaching and the U.S. Economy". New York.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKelber, Harry; Cleary. Human Rights for Working People: A Trade Union Commentary on the "Pastoral Letter on Catholic Social Teaching and the U.S. Economy". New York, 1988.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKelber, Harry; Cleary. Human Rights for Working People: A Trade Union Commentary on the "Pastoral Letter on Catholic Social Teaching and the U.S. Economy". New York, 1988.
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