Hagen, G. (2017). Gabriel Finley & the Lord of Air and Darkness (First edition.). Schwartz & Wade Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHagen, George. Gabriel Finley & the Lord of Air and Darkness. First edition. New York: Schwartz & Wade Books, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHagen, George. Gabriel Finley & the Lord of Air and Darkness. First edition. Schwartz & Wade Books, 2017.
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