Pratchett, T. (2009). Unseen academicals: A novel of Discworld (First edition.). Harper.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPratchett, Terry. Unseen Academicals: A Novel of Discworld. First edition. New York: Harper, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPratchett, Terry. Unseen Academicals: A Novel of Discworld. First edition. Harper, 2009.
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