Philbrick, W. R. (2016). The big dark (1st ed., January 2016.). The Blue Sky Press, an imprint of Scholastic Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPhilbrick, W. R. The Big Dark. 1st ed., January 2016. New York: The Blue Sky Press, an imprint of Scholastic Inc., 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPhilbrick, W. R. The Big Dark. 1st ed., January 2016. The Blue Sky Press, an imprint of Scholastic Inc., 2016.
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