Frend, W. H. C. (1965). The Early Church: Knowing Christianity. Saint Joseph's University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFrend, W. H. C. The Early Church: Knowing Christianity. Saint Joseph's University, 1965.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFrend, W. H. C. The Early Church: Knowing Christianity. Saint Joseph's University, 1965.
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