Levinthal, D., & Nickle, J. (2012). Who pushed Humpty Dumpty?: And other notorious nursery tale mysteries. Schwartz & Wade Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLevinthal, David, और John Nickle. Who Pushed Humpty Dumpty?: And Other Notorious Nursery Tale Mysteries. New York: Schwartz & Wade Books, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLevinthal, David, और John Nickle. Who Pushed Humpty Dumpty?: And Other Notorious Nursery Tale Mysteries. Schwartz & Wade Books, 2012.
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