Grey, I. (2015). Letters to the lost (First U.S. edition.). Thomas Dunne Books, St. Martin's Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGrey, Iona. Letters to the Lost. First U.S. edition. New York: Thomas Dunne Books, St. Martin's Press, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGrey, Iona. Letters to the Lost. First U.S. edition. Thomas Dunne Books, St. Martin's Press, 2015.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.