Betley, M. (2016). Overwatch: A thriller (First Emily Bestler books/Atria Books hardcover edition.). Emily Bestler Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBetley, Matthew. Overwatch: A Thriller. First Emily Bestler books/Atria Books hardcover edition. New York: Emily Bestler Books, 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBetley, Matthew. Overwatch: A Thriller. First Emily Bestler books/Atria Books hardcover edition. Emily Bestler Books, 2016.
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