Graham, B. (2007). Murder by serpents: The mystery quilt. Five Star.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGraham, Barbara. Murder by Serpents: The Mystery Quilt. Waterville, Me.: Five Star, 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGraham, Barbara. Murder by Serpents: The Mystery Quilt. Five Star, 2007.
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