Spitzer, R. J. (2015). The soul's upward yearning: Clues to our transcendent nature from experience and reason. Ignatius Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSpitzer, Robert J. The Soul's Upward Yearning: Clues to Our Transcendent Nature from Experience and Reason. San Francisco: Ignatius Press, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSpitzer, Robert J. The Soul's Upward Yearning: Clues to Our Transcendent Nature from Experience and Reason. Ignatius Press, 2015.
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