Bennett, C. L. (2017). The face of the unknown (First Pocket books paperback edition.). Pocket Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBennett, Christopher L. The Face of the Unknown. First Pocket books paperback edition. New York: Pocket Books, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBennett, Christopher L. The Face of the Unknown. First Pocket books paperback edition. Pocket Books, 2017.
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