Ison, G. (2018). Deadlock: A Brock and Poole mystery (First world edition.). Severn House Publishers Ltd.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIson, Graham. Deadlock: A Brock and Poole Mystery. First world edition. London: Severn House Publishers Ltd, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रIson, Graham. Deadlock: A Brock and Poole Mystery. First world edition. Severn House Publishers Ltd, 2018.
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