MacGill-Callahan, S., & Hillenbrand, W. (1999). The last snake in Ireland: A story about St. Patrick. Holiday House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMacGill-Callahan, Sheila, और Will Hillenbrand. The Last Snake in Ireland: A Story About St. Patrick. New York: Holiday House, 1999.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMacGill-Callahan, Sheila, और Will Hillenbrand. The Last Snake in Ireland: A Story About St. Patrick. Holiday House, 1999.
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