Sturch, R. (2001). Four Christian fantasists: A study of the fantastic writings of George MacDonald, Charles Williams, C.S. Lewis, and J.R.R. Tolkien. Walking Tree Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSturch, Richard. Four Christian Fantasists: A Study of the Fantastic Writings of George MacDonald, Charles Williams, C.S. Lewis, and J.R.R. Tolkien. Zurich: Walking Tree Publishers, 2001.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSturch, Richard. Four Christian Fantasists: A Study of the Fantastic Writings of George MacDonald, Charles Williams, C.S. Lewis, and J.R.R. Tolkien. Walking Tree Publishers, 2001.
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