Montgomery, H. L., & Gottlieb, I. (2020). Who gives a poop?: Surprising science from one end to the other. Bloomsbury Children's Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMontgomery, Heather L., और Iris Gottlieb. Who Gives a Poop?: Surprising Science from One End to the Other. New York: Bloomsbury Children's Books, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMontgomery, Heather L., और Iris Gottlieb. Who Gives a Poop?: Surprising Science from One End to the Other. Bloomsbury Children's Books, 2020.
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