Butler, C. (1930). Religions of authority and the religion of the spirit: With other essays apologetical and critical. Sheed & Ward.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रButler, Cuthbert. Religions of Authority and the Religion of the Spirit: With Other Essays Apologetical and Critical. London: Sheed & Ward, 1930.
एमएलए (8वां संस्करण) प्रशस्ति पत्रButler, Cuthbert. Religions of Authority and the Religion of the Spirit: With Other Essays Apologetical and Critical. Sheed & Ward, 1930.
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