Walliams, D. (2016). The world's worst children (Unabridged.). Nudged Children's Audiobooks.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWalliams, David. The World's Worst Children. Unabridged. Rearsby, Leicestershire: Nudged Children's Audiobooks, 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWalliams, David. The World's Worst Children. Unabridged. Nudged Children's Audiobooks, 2016.
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