Gregson, J. M. (2016). Final act: A Lambert & Hook police procedural (First world edition.). Severn House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGregson, J. M. Final Act: A Lambert & Hook Police Procedural. First world edition. Sutton, Surrey: Severn House, 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGregson, J. M. Final Act: A Lambert & Hook Police Procedural. First world edition. Severn House, 2016.
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