Black, P. J. (2016). Lockdown. Bloomsbury Children's Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBlack, Peter Jay. Lockdown. New York: Bloomsbury Children's Books, 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBlack, Peter Jay. Lockdown. Bloomsbury Children's Books, 2016.
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