Cotton, R. W. (2015). Blood money (Large print edition.). Wheeler Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCotton, Ralph W. Blood Money. Large print edition. Waterville, Maine: Wheeler Publishing, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCotton, Ralph W. Blood Money. Large print edition. Wheeler Publishing, 2015.
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