Spencer, S. (2019). Dead end (First world edition.). Severn House Publishers Ltd..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSpencer, Sally. Dead End. First world edition. London: Severn House Publishers Ltd., 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSpencer, Sally. Dead End. First world edition. Severn House Publishers Ltd., 2019.
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