Spencer, S. (2017). The shivering turn: A Jennie Redhead mystery (First world edition.). Severn House Publishers Ltd..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSpencer, Sally. The Shivering Turn: A Jennie Redhead Mystery. First world edition. Sutton, Surrey, England [?]: Severn House Publishers Ltd., 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSpencer, Sally. The Shivering Turn: A Jennie Redhead Mystery. First world edition. Severn House Publishers Ltd., 2017.
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