Spencer, S. (2007). Dangerous games. Severn House Paperbacks.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSpencer, Sally. Dangerous Games. Sutton: Severn House Paperbacks, 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSpencer, Sally. Dangerous Games. Severn House Paperbacks, 2007.
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