Gibson, J. P. S. R. (1974). Shakespeare's use of the supernatural, being the Cambridge University Harness prize essay, 1907. AMS Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGibson, John Paul Stewart Riddell. Shakespeare's Use of the Supernatural, Being the Cambridge University Harness Prize Essay, 1907. [New York: AMS Press, 1974.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGibson, John Paul Stewart Riddell. Shakespeare's Use of the Supernatural, Being the Cambridge University Harness Prize Essay, 1907. AMS Press, 1974.
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