Pratchett, T., Pearson, B., & Pearson, I. (2015). Miss Felicity Beedle's The world of poo (First United States edition.). Doubleday.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPratchett, Terry, Bernard Pearson, और Isobel Pearson. Miss Felicity Beedle's The World of Poo. First United States edition. New York: Doubleday, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPratchett, Terry, et al. Miss Felicity Beedle's The World of Poo. First United States edition. Doubleday, 2015.
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