Markle, S. (2007). Tough, toothy baby sharks. Walker ; Distributed to the trade by Holtzbrinck Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMarkle, Sandra. Tough, Toothy Baby Sharks. New York : [S.l.]: Walker ; Distributed to the trade by Holtzbrinck Publishers, 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMarkle, Sandra. Tough, Toothy Baby Sharks. Walker ; Distributed to the trade by Holtzbrinck Publishers, 2007.
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