Northrop, M. (2014). Surrounded by sharks. Scholastic Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNorthrop, Michael. Surrounded by Sharks. New York: Scholastic Press, 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNorthrop, Michael. Surrounded by Sharks. Scholastic Press, 2014.
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