Kurtz, J., & Black, A. (2018). What do they do with all that poo? (First edition.). Beach Lane Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKurtz, Jane, और Allison Black. What Do They Do with All That Poo? First edition. New York: Beach Lane Books, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKurtz, Jane, और Allison Black. What Do They Do with All That Poo? First edition. Beach Lane Books, 2018.
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