Roberts, W. D. (2004). Blood on his hands. Atheneum Books for Young Readers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRoberts, Willo Davis. Blood on His Hands. New York: Atheneum Books for Young Readers, 2004.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRoberts, Willo Davis. Blood on His Hands. Atheneum Books for Young Readers, 2004.
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