Spencer, S. (2006). Sins of the fathers. Severn House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSpencer, Sally. Sins of the Fathers. Sutton: Severn House, 2006.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSpencer, Sally. Sins of the Fathers. Severn House, 2006.
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