Betley, M. (2018). Field of valor: A thriller (First Emily Bestler Books/Atria Books hardcover edition.). Emily Bestler Books/Atria.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBetley, Matthew. Field of Valor: A Thriller. First Emily Bestler Books/Atria Books hardcover edition. New York: Emily Bestler Books/Atria, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBetley, Matthew. Field of Valor: A Thriller. First Emily Bestler Books/Atria Books hardcover edition. Emily Bestler Books/Atria, 2018.
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