Maberry, J. (2021). Relentless: A Joe Ledger and Rogue Team International novel (First edition.). St. Martin's Griffin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMaberry, Jonathan. Relentless: A Joe Ledger and Rogue Team International Novel. First edition. New York: St. Martin's Griffin, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMaberry, Jonathan. Relentless: A Joe Ledger and Rogue Team International Novel. First edition. St. Martin's Griffin, 2021.
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